Bump nginx from 1.27.2 to 1.27.3

Bumps nginx from 1.27.2 to 1.27.3.

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

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

Dockerfile

@@ -1,3 +1,3 @@
-FROM nginx:1.27.2
+FROM nginx:1.27.3
 COPY . /usr/share/nginx/html/
 RUN sed -i '/default_type  application\/octet-stream;/d' /etc/nginx/nginx.conf