chore(deps): update docker/login-action digest to c99871d

Author: renovate[bot]

.github/workflows/dart.yml

@@ -24,7 +24,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Login to GHCR
-        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4
+        uses: docker/login-action@c99871dec2022cc055c062a10cc1a1310835ceb4 # v4
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

.github/workflows/publish.yaml

@@ -85,7 +85,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: Login to GHCR
-        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4
+        uses: docker/login-action@c99871dec2022cc055c062a10cc1a1310835ceb4 # v4
         with:
           registry: ghcr.io
           username: ${{ github.actor }}