Update docker/login-action digest to 6862ffc (#489)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/docker-ci.yml

@@ -34,7 +34,7 @@ jobs:
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@28fdb31ff34708d19615a74d67103ddc2ea9725c
+        uses: docker/login-action@6862ffc5ab2cdb4405cf318a62a6f4c066e2298b
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}

.github/workflows/docker-publish.yml

@@ -45,7 +45,7 @@ jobs:
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@28fdb31ff34708d19615a74d67103ddc2ea9725c
+        uses: docker/login-action@6862ffc5ab2cdb4405cf318a62a6f4c066e2298b
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}