Add override env.json option

Author: maksivanic

.github/actions/build/action.yml

@@ -86,7 +86,7 @@ runs:
       uses: actions/checkout@v3
     - name: Override env.json
       if: ${{ inputs.override_env_json != '' }}
-      run: mv appsettings_dev.json appsettings.json
+      run: mv ${{ inputs.override_env_json }}.${{ inputs.environment }} ${{ inputs.override_env_json }}
 
     - name: Detect env
       uses: infinum/js-pipeline/.github/actions/detect-env@v1