Add nexus-staging-maven-plugin workaround

Author: atextor

.github/workflows/release.yml

@@ -42,6 +42,9 @@ jobs:
           OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           OSSRH_TOKEN: ${{ secrets.OSSRH_TOKEN }}
           GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+          # Workaround for https://issues.sonatype.org/browse/OSSRH-66257
+          # as described in https://stackoverflow.com/a/70157413
+          MAVEN_OPTS: --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.text=ALL-UNNAMED
       - name: Create GitHub release
         uses: softprops/action-gh-release@v1
         id: syntax-annotation-release

pom.xml

@@ -48,7 +48,7 @@
         <maven-surefire-plugin-version>3.0.0-M7</maven-surefire-plugin-version>
         <maven-javadoc-plugin-version>3.3.2</maven-javadoc-plugin-version>
         <maven-source-plugin-version>3.2.1</maven-source-plugin-version>
-        <nexus-staging-maven-plugin-version>1.6.7</nexus-staging-maven-plugin-version>
+        <nexus-staging-maven-plugin-version>1.6.9</nexus-staging-maven-plugin-version>
         <maven-gpg-plugin-version>3.0.1</maven-gpg-plugin-version>
     </properties>