Bump nginx from 1.27.2-alpine to 1.27.3-alpine in /web

Bumps nginx from 1.27.2-alpine to 1.27.3-alpine.

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

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

web/Dockerfile

@@ -8,7 +8,7 @@ COPY public public
 COPY src src
 RUN yarn build
 
-FROM nginx:1.27.2-alpine
+FROM nginx:1.27.3-alpine
 ENV DCTNA_API https://host.docker.internal:8443
 COPY nginx/templates /etc/nginx/templates/
 COPY --from=build /app/build /usr/share/nginx/html