chore(deps): update nginx docker tag to v1.30 (#100)

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

Author: renovate[bot]

Dockerfile

@@ -1,5 +1,5 @@
 # Pin nginx version for reproducible builds
-FROM nginx:1.29-alpine
+FROM nginx:1.30-alpine
 
 # Copy custom nginx configuration
 COPY nginx.conf /etc/nginx/conf.d/default.conf