typo in env var (#6780)

* get value for sonar options from vars

---------

Signed-off-by: Justin Florentine <justin+github@florentine.us>

.github/workflows/sonarcloud.yml

@@ -37,5 +37,5 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
           SONAR_ORGANIZATION: ${{ vars.SONAR_ORGANIZATION }}
-          SONAR_PROJECT_KEY: $ {{ vars.SONAR_PROJECT_KEY }}
+          SONAR_PROJECT_KEY: ${{ vars.SONAR_PROJECT_KEY }}
         run: ./gradlew build sonarqube --continue --info -Dorg.gradle.parallel=true -Dorg.gradle.caching=true