Apply consistent YAML formatting

.github/workflows/__start-proxy.yml

@@ -17,7 +17,7 @@ on:
     types:
       - checks_requested
   schedule:
-    - cron: '0 5 * * *'
+    - cron: "0 5 * * *"
   workflow_dispatch:
     inputs: {}
   workflow_call:
@@ -55,8 +55,8 @@ jobs:
         uses: ./.github/actions/prepare-test
         with:
           version: ${{ matrix.version }}
-          use-all-platform-bundle: 'false'
-          setup-kotlin: 'true'
+          use-all-platform-bundle: "false"
+          setup-kotlin: "true"
       - name: Setup proxy for registries
         id: proxy
         uses: ./../action/start-proxy
@@ -101,5 +101,5 @@ jobs:
           tools: ${{ steps.prepare-test.outputs.tools-url }}
           config-file: codeql-action@main:tests/multi-language-repo/.github/codeql/custom-queries.yml
     env:
-      CODEQL_ACTION_PROXY_API_REQUESTS: 'true'
+      CODEQL_ACTION_PROXY_API_REQUESTS: "true"
       CODEQL_ACTION_TEST_MODE: true