Fix Bazel latest and 5.0.0 Buildkite jobs (#1348)

* Fix Bazel latest and 5.0.0 Buildkite jobs

Author: liucijus

.bazelci/presubmit.yml

@@ -34,12 +34,16 @@ tasks:
     platform: ubuntu2004
     bazel: 5.0.0
     shell_commands:
-    - "./test_rules_scala.sh || buildkite-agent annotate --style 'warning' \"Optional build with latest Bazel version failed, [see here](${BUILDKITE_BUILD_URL}#${BUILDKITE_JOB_ID}) (It is not mandatory but worth checking)\""
+    # Install xmllint
+    - sudo apt update && sudo apt install -y libxml2-utils
+    - "./test_rules_scala.sh"
   test_rules_scala_linux_latest:
     name: "./test_rules_scala (latest Bazel)"
     platform: ubuntu2004
     bazel: latest
     shell_commands:
+    # Install xmllint
+    - sudo apt update && sudo apt install -y libxml2-utils
     - "./test_rules_scala.sh || buildkite-agent annotate --style 'warning' \"Optional build with latest Bazel version failed, [see here](${BUILDKITE_BUILD_URL}#${BUILDKITE_JOB_ID}) (It is not mandatory but worth checking)\""
   test_rules_scala_macos:
     name: "./test_rules_scala"