Fix CodeQL nightly build (#252)

* Fix CodeQL nightly build

* Add link

Author: trask

.github/workflows/nightly-codeql-analysis.yml

@@ -24,6 +24,9 @@ jobs:
           languages: java
 
       - uses: gradle/gradle-build-action@v2
+        env:
+          # see https://github.com/github/codeql-action/issues/972
+          JAVA_TOOL_OPTIONS: "--add-opens=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED"
         with:
           # skipping build cache is needed so that all modules will be analyzed
           arguments: assemble --no-build-cache