DW-5986-fixed-version-Publish-Docker-Github-Action (#20)

Author: jjdmw

.github/workflows/main.yml

@@ -48,7 +48,7 @@ jobs:
         id: get_version
         run: echo RELEASE_VERSION=$(echo ${GITHUB_REF:10}) >> $GITHUB_ENV
       - name: Publish to DockerHub
-        uses: elgohr/Publish-Docker-Github-Action@master
+        uses: elgohr/Publish-Docker-Github-Action@191af57e15535d28b83589e3b5f0c31e76aa8733 #v3.0.4 hardcoded for security DW-5986, review regularly
         with:
           name: ${{ env.IMAGE_NAME }}
           username: ${{ secrets.DOCKERHUB_USERNAME }}