Update GitHub Actions workflows. (#684)

This PR was automatically generated by the
update-workflows-ecosystem-providers workflow in the pulumi/ci-mgmt
repo, from commit b7e2ed740f8833f6a1bd2a3d5714d4c92d3b40ae.

Author: pulumi-bot

.github/actions/setup-tools/action.yml

@@ -47,7 +47,7 @@ runs:
 
     - name: Install Pulumi CLI
       if: inputs.tools == 'all' || contains(inputs.tools, 'pulumicli')
-      uses: pulumi/actions@3da56e6feff8f5db8b48d3a396bc10ef1f968088 # v6
+      uses: pulumi/actions@9519177da243fd32cab35cdbf19cce1ab7472fcc # v6
       with:
         pulumi-version: "dev"
 

.github/workflows/prerequisites.yml

@@ -74,7 +74,7 @@ jobs:
     - name: Unit-test provider code
       run: make test_provider
     - name: Upload coverage reports to Codecov
-      uses: codecov/codecov-action@13ce06bfc6bbe3ecf90edbbf1bc32fe5978ca1d3 # v5.3.1
+      uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
     - if: inputs.is_pr