Bump pulumi/actions from 5.5.1 to 6.0.0

Bumps [pulumi/actions](https://github.com/pulumi/actions) from 5.5.1 to 6.0.0.
- [Release notes](https://github.com/pulumi/actions/releases)
- [Changelog](https://github.com/pulumi/actions/blob/main/CHANGELOG.md)
- [Commits](pulumi/actions@cd99a7f...c7fad9e)

---
updated-dependencies:
- dependency-name: pulumi/actions
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

action.yml

@@ -52,7 +52,7 @@ runs:
       working-directory: '${{ env.PULUMI_GO_CODE }}'
       shell: bash
 
-    - uses: pulumi/actions@cd99a7f8865434dd3532b586a26f9ebea596894f # v5.5.1
+    - uses: pulumi/actions@c7fad9e2f0b79653172b36538b8b34b3c0291952 # v6.0.0
       with:
         command: '${{ inputs.pulumi_command }}'
         stack-name: '${{ inputs.stack_name }}'