perf: skip fnapp deploy on TF_DESTROY

Author: andhreljaKern

.github/workflows/az_fnapp_deploy.yml

@@ -8,6 +8,7 @@ jobs:
     name: "Azure: Build & Deploy Function App"
     runs-on: [self-hosted, dev]
     environment: dev
+    if: ${{ vars.TF_DESTROY != '-destroy' }}
     env:
       AZURE_FUNCTIONAPP_NAME: ${{ vars.AZURE_FUNCTIONAPP_NAME }}
       AZURE_FUNCTIONAPP_PACKAGE_PATH: ${{ vars.AZURE_FUNCTIONAPP_PACKAGE_PATH }}