npm: bump nginx from 1.25.4-alpine to 1.27.3-alpine

Bumps nginx from 1.25.4-alpine to 1.27.3-alpine.

---
updated-dependencies:
- dependency-name: nginx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Dockerfile

@@ -9,7 +9,7 @@ RUN npm audit
 RUN npm run lint
 RUN npm run build
 
-FROM nginx:1.25.4-alpine
+FROM nginx:1.27.3-alpine
 COPY --from=build /code/build/ /usr/share/nginx/html
 COPY --from=build /code/config.example.json /usr/share/nginx/html/
 EXPOSE 80