bpo-40146: Update OpenSSL to 1.1.1f in Azure Pipelines (GH-19320)

Update also OpenSSL version in Ubuntu and Coverage jobs.
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6774ae4..50d1561 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -65,7 +65,7 @@
     name: 'Ubuntu'
     runs-on: ubuntu-latest
     env:
-      OPENSSL_VER: 1.1.1d
+      OPENSSL_VER: 1.1.1f
     steps:
     - uses: actions/checkout@v1
     - name: Install Dependencies
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index bf166ab..75bdf83 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -23,7 +23,7 @@
     name: 'Ubuntu (Coverage)'
     runs-on: ubuntu-latest
     env:
-      OPENSSL_VER: 1.1.1d
+      OPENSSL_VER: 1.1.1f
     steps:
     - uses: actions/checkout@v1
     - name: Install Dependencies