Update ci-pr.yml with the maven version to 3.8.9

Signed-off-by: Soby Chacko <[email protected]>

Author: sobychacko

.github/workflows/ci-pr.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Setup Maven
         uses: jvalkeal/setup-maven@v1
         with:
-          maven-version: 3.8.8
+          maven-version: 3.8.9
           maven-mirror: 'https://dlcdn.apache.org/maven/maven-3/'
 
       - name: Build and run unit tests