Update GitHub Actions workflows. (#71)

This PR was automatically generated by the
update-native-provider-workflows workflow in the pulumi/ci-mgmt repo,
from commit 6ef5444d6e792b70fd2ed0791d776a6f9f77714e.

.github/workflows/weekly-pulumi-update.yml

@@ -59,8 +59,6 @@ jobs:
       uses: pulumi/provider-version-action@v1
       with:
         set-env: PROVIDER_VERSION
-    - name: Unshallow clone for tags
-      run: git fetch --prune --unshallow --tags
     - name: Install Go
       uses: actions/setup-go@v5
       with: