fix(deps): update docker base image

.gitea/workflows/build-and-publish.yml

@@ -38,7 +38,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout
-        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
         with:
           # Full history and tags are required to derive the next version
           # from the conventional-commit messages since the last release.
@@ -117,11 +117,11 @@ jobs:
         uses: docker/setup-qemu-action@96fe6ef7f33517b61c61be40b68a1882f3264fb8 # v4
 
       - name: Set up Buildx
-        uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4
+        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4
 
       - name: Log in to the Gitea container registry
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4
+        uses: docker/login-action@af1e73f918a031802d376d3c8bbc3fe56130a9b0 # v4
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.repository_owner }}

Dockerfile

@@ -1,7 +1,7 @@
 # Lightweight, non-root nginx serving the static site.
 # Runs as user "nginx" and listens on 8080, ready to sit behind an
 # external reverse proxy that terminates TLS and forwards requests.
-FROM nginxinc/nginx-unprivileged:1.31-alpine-slim@sha256:021f32b23e2bfc8610ccdec499b709625dcee1369884d7a51bd8a23a3accb301
+FROM nginxinc/nginx-unprivileged:1.31-alpine-slim@sha256:90d82b3358df5758b3c57d20f2565082ce6f744906e7dc09afd0096c1b8eb2b5
 
 COPY default.conf /etc/nginx/conf.d/default.conf
 COPY --chown=nginx:nginx index.html styles.css script.js messages.js /usr/share/nginx/html/