Bump Azure/webapps-deploy from 2.2.6 to 2.2.9

Bumps [Azure/webapps-deploy](https://github.com/Azure/webapps-deploy) from 2.2.6 to 2.2.9.
- [Release notes](https://github.com/Azure/webapps-deploy/releases)
- [Commits](Azure/webapps-deploy@v2.2.6...v2.2.9)

---
updated-dependencies:
- dependency-name: Azure/webapps-deploy
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/dotnet.yml

@@ -19,7 +19,7 @@ jobs:
       run: dotnet publish RedLeg.Forms.csproj --configuration Release --output ${{env.DOTNET_ROOT}}/artifacts 
 
     - name: Deploy Azure WebApp
-      uses: Azure/webapps-deploy@v2.2.6
+      uses: Azure/webapps-deploy@v2.2.9
       if: contains(github.ref, 'main')
       with:
         # Publish profile (*.publishsettings) file contents with Web Deploy secrets