chore(deps): update dependency google-api-python-client to v2.15.0 (#1464)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-api-python-client](https://togithub.com/googleapis/google-api-python-client) | `==2.14.1` -> `==2.15.0` | [![age](https://badges.renovateapi.com/packages/pypi/google-api-python-client/2.15.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-api-python-client/2.15.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-api-python-client/2.15.0/compatibility-slim/2.14.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-api-python-client/2.15.0/confidence-slim/2.14.1)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/google-api-python-client</summary>

### [`v2.15.0`](https://togithub.com/googleapis/google-api-python-client/blob/master/CHANGELOG.md#&#8203;2150-httpswwwgithubcomgoogleapisgoogle-api-python-clientcomparev2141v2150-2021-07-27)

[Compare Source](https://togithub.com/googleapis/google-api-python-client/compare/v2.14.1...v2.15.0)

##### Features

-   **alertcenter:** update the api https://github.com/googleapis/google-api-python-client/commit/70810a52c85c6d0d6f00d7afb41c8608261eaebc ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **chat:** update the api https://github.com/googleapis/google-api-python-client/commit/a577cd0b71951176bbf849c1f7f139127205da54 ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **cloudbuild:** update the api https://github.com/googleapis/google-api-python-client/commit/9066056a8b106d441fb7686fe84359484d0d58bc ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **content:** update the api https://github.com/googleapis/google-api-python-client/commit/b123349da33c11c0172a8efb3fadef685a30e6e1 ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **displayvideo:** update the api https://github.com/googleapis/google-api-python-client/commit/c525d726ee6cffdd4bc7afd69080d5e52bae83a0 ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **dns:** update the api https://github.com/googleapis/google-api-python-client/commit/13436ccd2b835fda5cb86952ac4ea991ee8651d8 ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **eventarc:** update the api https://github.com/googleapis/google-api-python-client/commit/6be3394a64a5eb509f68ef779680fd36837708ee ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **file:** update the api https://github.com/googleapis/google-api-python-client/commit/817a0e636771445a988ef479bd52740f754b901a ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **monitoring:** update the api https://github.com/googleapis/google-api-python-client/commit/bd32149f308467f0f659119587afc77dcec65b14 ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **people:** update the api https://github.com/googleapis/google-api-python-client/commit/aa6b47df40c5289f33aef6fb6aa007df2d038e20 ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **retail:** update the api https://github.com/googleapis/google-api-python-client/commit/d39f06e2d77034bc837604a41dd52c577f158bf2 ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **securitycenter:** update the api https://github.com/googleapis/google-api-python-client/commit/999fab5178208639c9eef289f9f441052ed832fc ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **speech:** update the api https://github.com/googleapis/google-api-python-client/commit/3b2c0fa62b2a0c86bba1e97f1b18f93250dbd551 ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))
-   **sqladmin:** update the api https://github.com/googleapis/google-api-python-client/commit/cef24d829ab5be71563a2b668b8f6cf5dda2c8e4 ([a36e3b1](https://www.github.com/googleapis/google-api-python-client/commit/a36e3b130d609dfdc5b3ac0a70ff1b014c4bc75f))

##### Documentation

-   update license to be Apache-2.0 compliant ([#&#8203;1461](https://www.github.com/googleapis/google-api-python-client/issues/1461)) ([882844c](https://www.github.com/googleapis/google-api-python-client/commit/882844c7b6a15493d0fb8693cd5e9159e3a12535))

##### [2.14.1](https://www.github.com/googleapis/google-api-python-client/compare/v2.14.0...v2.14.1) (2021-07-25)

##### Bug Fixes

-   drop six dependency ([#&#8203;1452](https://www.github.com/googleapis/google-api-python-client/issues/1452)) ([9f7b410](https://www.github.com/googleapis/google-api-python-client/commit/9f7b4109b370e89c29db6c58c6bd2e09002c8d42))

</details>

---

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diff --git a/samples/compute/requirements.txt b/samples/compute/requirements.txt
index cbc34d8..59994db 100644
--- a/samples/compute/requirements.txt
+++ b/samples/compute/requirements.txt
@@ -1,3 +1,3 @@
-google-api-python-client==2.14.1
+google-api-python-client==2.15.0
 google-auth==1.33.1
 google-auth-httplib2==0.1.0