chore(deps): bump the actions-prepare-jmeter group

Bumps the actions-prepare-jmeter group in /.github/actions/prepare-jmeter with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [actions/setup-java](https://github.com/actions/setup-java).


Updates `actions/checkout` from 4.1.1 to 4.1.2
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](b4ffde65f4...9bb56186c3)

Updates `actions/setup-java` from 4.1.0 to 4.2.1
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](9704b39bf2...99b8673ff6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions-prepare-jmeter
- dependency-name: actions/setup-java
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-prepare-jmeter
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/actions/prepare-jmeter/action.yaml

@@ -19,12 +19,12 @@ runs:
       run: |
         EMQX_DOCKER_IMAGE_TAG=$(docker load < /tmp/emqx-docker-${PKG_VSN}.tar.gz | sed 's/Loaded image: //g')
         echo "_EMQX_DOCKER_IMAGE_TAG=$EMQX_DOCKER_IMAGE_TAG" >> $GITHUB_ENV
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+    - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
       with:
         repository: emqx/emqx-fvt
         ref: broker-autotest-v5
         path: scripts
-    - uses: actions/setup-java@9704b39bf258b59bc04b50fa2dd55e9ed76b47a8 # v4.1.0
+    - uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
       with:
         java-version: '8.0.282' # The JDK version to make available on the path.
         java-package: jdk # (jre, jdk, or jdk+fx) - defaults to jdk