chore(deps): Bump alpine from 3.15.4 to 3.16.2

Bumps alpine from 3.15.4 to 3.16.2.

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

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

Author: dependabot[bot]

Dockerfile

@@ -1,6 +1,6 @@
 FROM nginxproxy/docker-gen:0.9.1 AS docker-gen
 
-FROM alpine:3.15.4
+FROM alpine:3.17.0
 
 ARG GIT_DESCRIBE
 ARG ACMESH_VERSION=2.9.0