retire soon-to-be EoL Python 3.7. Hello walrus operator...

.github/workflows/build.yml

@@ -66,11 +66,6 @@ jobs:
             goal: build
             arch: Win32
             openssl_archs: VC-WIN32
-          - os: ubuntu-22.04
-            goal: test
-            python: "3.7"
-            jid: 8
-            arch: x86_64
           - os: ubuntu-22.04
             goal: test
             python: "3.8"
@@ -105,8 +100,6 @@ jobs:
         with:
           workload_identity_provider: projects/297925809119/locations/global/workloadIdentityPools/gha-pool/providers/gha-provider
           service_account: github-actions-testing-for-gam@gam-project-wyo-lub-ivl.iam.gserviceaccount.com
-          #access_token_scopes: https://www.googleapis.com/auth/iam
-          #token_format: access_token
 
       - name: Cache multiple paths
         if: matrix.goal == 'build'