build: bump microsoft/template-validation-action

Bumps the all-actions group with 1 update: [microsoft/template-validation-action](https://github.com/microsoft/template-validation-action).


Updates `microsoft/template-validation-action` from 0.4.2 to 0.4.3
- [Release notes](https://github.com/microsoft/template-validation-action/releases)
- [Commits](microsoft/template-validation-action@v0.4.2...v0.4.3)

---
updated-dependencies:
- dependency-name: microsoft/template-validation-action
  dependency-version: 0.4.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/azure-dev.yaml

@@ -20,7 +20,7 @@ jobs:
 
       # Step 2: Validate the Azure template using microsoft/template-validation-action
       - name: Validate Azure Template
-        uses: microsoft/template-validation-action@v0.4.2
+        uses: microsoft/template-validation-action@v0.4.3
         id: validation
         env:
           AZURE_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }}