chore: Update discovery artifacts (#1407)

## Deleted keys were detected in the following pre-stable discovery artifacts:
analyticsadmin v1alpha https://github.com/googleapis/google-api-python-client/commit/3ed78879365ebef411b2748be8b5d52c047210eb

## Discovery Artifact Change Summary:
feat(analyticsadmin): update the api https://github.com/googleapis/google-api-python-client/commit/3ed78879365ebef411b2748be8b5d52c047210eb
feat(composer): update the api https://github.com/googleapis/google-api-python-client/commit/4862529435851dbb106efa0311c2b7515d2ad2ea
feat(genomics): update the api https://github.com/googleapis/google-api-python-client/commit/8a1c8a67e7e5b76581cfa95ffa14c01019c305af
feat(gkehub): update the api https://github.com/googleapis/google-api-python-client/commit/0fd49e0d39455077e39d850ac464635034d253b8
diff --git a/docs/dyn/genomics_v2alpha1.pipelines.html b/docs/dyn/genomics_v2alpha1.pipelines.html
index 02aa3c3..7c432d9 100644
--- a/docs/dyn/genomics_v2alpha1.pipelines.html
+++ b/docs/dyn/genomics_v2alpha1.pipelines.html
@@ -183,6 +183,7 @@
         },
         "nvidiaDriverVersion": "A String", # The NVIDIA driver version to use when attaching an NVIDIA GPU accelerator. The version specified here must be compatible with the GPU libraries contained in the container being executed, and must be one of the drivers hosted in the `nvidia-drivers-us-public` bucket on Google Cloud Storage.
         "preemptible": True or False, # If true, allocate a preemptible VM.
+        "reservation": "A String", # If specified, the VM will only be allocated inside the matching reservation. It will fail if the VM parameters don't match the reservation.
         "serviceAccount": { # Carries information about a Google Cloud service account. # The service account to install on the VM. This account does not need any permissions other than those required by the pipeline.
           "email": "A String", # Email address of the service account. If not specified, the default Compute Engine service account for the project will be used.
           "scopes": [ # List of scopes to be enabled for this service account on the VM, in addition to the cloud-platform API scope that will be added by default.