build(deps): update envoyproxy/toolshed requirement to actions-v0.0.28

Updates the requirements on [envoyproxy/toolshed](https://github.com/envoyproxy/toolshed) to permit the latest version.
- [Release notes](https://github.com/envoyproxy/toolshed/releases)
- [Commits](https://github.com/envoyproxy/toolshed/commits/actions-v0.0.28)

---
updated-dependencies:
- dependency-name: envoyproxy/toolshed
  dependency-type: direct:production
...

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

.github/workflows/commands.yml

@@ -22,6 +22,6 @@ jobs:
       pull-requests: write
       actions: write
     steps:
-    - uses: envoyproxy/toolshed/gh-actions/[email protected].2
+    - uses: envoyproxy/toolshed/gh-actions/[email protected].28
       with:
         token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/envoy-sync.yml

@@ -27,7 +27,7 @@ jobs:
         - envoy-filter-example
         - data-plane-api
     steps:
-    - uses: envoyproxy/toolshed/gh-actions/[email protected].3
+    - uses: envoyproxy/toolshed/gh-actions/[email protected].28
       with:
         repository: "envoyproxy/${{ matrix.downstream }}"
         ref: main

.github/workflows/workflow-complete.yml

@@ -52,7 +52,7 @@ jobs:
         echo "state=${STATE}" >> "$GITHUB_OUTPUT"
       id: job
     - name: Complete status check
-      uses: envoyproxy/toolshed/gh-actions/[email protected].2
+      uses: envoyproxy/toolshed/gh-actions/[email protected].28
       with:
         authToken: ${{ secrets.GITHUB_TOKEN }}
         context: ${{ github.event.workflow.name }}

.github/workflows/workflow-start.yml

@@ -19,7 +19,7 @@ jobs:
       statuses: write
     steps:
     - name: Start status check
-      uses: envoyproxy/toolshed/gh-actions/[email protected].2
+      uses: envoyproxy/toolshed/gh-actions/[email protected].28
       with:
         authToken: ${{ secrets.GITHUB_TOKEN }}
         context: ${{ inputs.workflowName }}