lint to have a separate cache

Author: blaginin

.github/workflows/pr_build_linux.yml

@@ -103,7 +103,7 @@ jobs:
           path: |
             ~/.m2/repository
             /root/.m2/repository
-          key: ${{ runner.os }}-java-maven-${{ hashFiles('**/pom.xml') }}
+          key: ${{ runner.os }}-java-maven-${{ hashFiles('**/pom.xml') }}-lint
           restore-keys: |
             ${{ runner.os }}-java-maven-