build(deps): bump nginx

Bumps the examples-local-ratelimit group in /local_ratelimit with 1 update: nginx.


Updates `nginx` from `447a866` to `1a2bb47`

---
updated-dependencies:
- dependency-name: nginx
  dependency-type: direct:production
  dependency-group: examples-local-ratelimit
...

Signed-off-by: dependabot[bot] <support@github.com>

local_ratelimit/Dockerfile-nginx

@@ -1 +1 @@
-FROM nginx@sha256:447a8665cc1dab95b1ca778e162215839ccbb9189104c79d7ec3a81e14577add
+FROM nginx@sha256:1a2bb47140dd616774ffe05ea1ea8762e1f1f08e20a35632e1e6539376d44d60