fix github action

Author: markusressel

.github/workflows/dockerimage-release.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v2
       # this writes the tag name into GIT_TAG_NAME
       - name: Get tag name
-        uses: olegtarasov/get-tag@v2
+        uses: little-core-labs/get-git-tag@v3.0.1
       - name: Build the Docker image
         run: docker build . --file Dockerfile --tag markusressel/py-image-dedup:$GIT_TAG_NAME
       - name: Login to DockerHub Registry