Bump mavec check version to 3.9.9

Author: thomasleplus

.github/workflows/maven-check-versions.yml

@@ -18,4 +18,4 @@ jobs:
         run: echo "MAVEN_CLI_OPTS=-f ${IMAGE}/pom.xml" >> "${GITHUB_ENV}"
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Check the versions
-        uses: docker://leplusorg/maven-check-versions:3.9.9@493eea38ab34daa796d9e4ddbabee3dea4c4ace157de31b509565bc05f296e0f
+        uses: docker://leplusorg/maven-check-versions:3.9.9@sha256:493eea38ab34daa796d9e4ddbabee3dea4c4ace157de31b509565bc05f296e0f