Bump org.apache.zookeeper:zookeeper from 3.8.1 to 3.9.1 in /test/fixtures/hdfs-fixture

.github/workflows/cs.yml

@@ -0,0 +1,34 @@
+---
+name: Concurrent Search UTs and ITs
+
+on:
+  schedule:
+    - cron: '0 */4 * * *' # every 4 hours
+  workflow_dispatch: # on button click
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]  # precommit on ubuntu-latest is run as a part of the gradle-check workflow
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 11
+        if: always()
+        uses: actions/setup-java@v2
+        with:
+          java-version: 11
+          distribution: adopt
+      - name: Build the repo
+        if: always()
+        run: |
+          ./gradlew assemble -x :distribution:docker:buildArm64DockerImage -x :distribution:docker:buildDockerImage -x :distribution:docker:buildPpc64leDockerImage -x :distribution:docker:docker-export:exportDockerImage -x :distribution:docker:buildS390xDockerImage -x :distribution:docker:docker-ppc64le-export:exportDockerImage -x :distribution:docker:docker-s390x-export:exportDockerImage
+      - name: Run Gradle unit tests
+        if: always()
+        run: |
+          ./gradlew test -Dopensearch.experimental.feature.concurrent_segment_search.enabled=true
+      - name: Run Gradle integration tests
+        if: always()
+        run: |
+          ./gradlew internalClusterTest --parallel -Dopensearch.experimental.feature.concurrent_segment_search.enabled=true

test/fixtures/hdfs-fixture/build.gradle

@@ -61,7 +61,7 @@ dependencies {
   api "org.jetbrains.kotlin:kotlin-stdlib:${versions.kotlin}"
   api "org.eclipse.jetty:jetty-server:${versions.jetty}"
   api "org.eclipse.jetty.websocket:javax-websocket-server-impl:${versions.jetty}"
-  api 'org.apache.zookeeper:zookeeper:3.8.1'
+  api 'org.apache.zookeeper:zookeeper:3.9.1'
   api "org.apache.commons:commons-text:1.10.0"
   api "commons-net:commons-net:3.9.0"
   runtimeOnly "com.google.guava:guava:${versions.guava}"