Switch to ci-runner user for the checks (#81)

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>
(cherry picked from commit 9ef641d)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

.github/workflows/check.yml

@@ -26,13 +26,13 @@ jobs:
       - name: Run Gradle (check)
         run: |
           # https://github.com/opensearch-project/opensearch-build/issues/4191
-          chown -R opensearch:opensearch `pwd`
-          su opensearch -c "source /etc/profile.d/java_home.sh && ./gradlew check -Dorg.gradle.java.home=/opt/java/openjdk-${{ matrix.java }}"
+          chown -R ci-runner:ci-runner `pwd`
+          su ci-runner -c "source /etc/profile.d/java_home.sh && ./gradlew check -Dorg.gradle.java.home=/opt/java/openjdk-${{ matrix.java }}"
       - name: Run Gradle (assemble)
         run: |
           # https://github.com/opensearch-project/opensearch-build/issues/4191
-          chown -R opensearch:opensearch `pwd`
-          su opensearch -c "source /etc/profile.d/java_home.sh && ./gradlew assemble -Dorg.gradle.java.home=/opt/java/openjdk-${{ matrix.java }}"
+          chown -R ci-runner:ci-runner `pwd`
+          su ci-runner -c "source /etc/profile.d/java_home.sh && ./gradlew assemble -Dorg.gradle.java.home=/opt/java/openjdk-${{ matrix.java }}"
 
   precommit-windows-macos:
     if: github.repository == 'opensearch-project/custom-codecs'