build(deps): Bump golang from 1.18.1-alpine to 1.18.2-alpine

Bumps golang from 1.18.1-alpine to 1.18.2-alpine.

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

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

Dockerfile

@@ -20,7 +20,7 @@ RUN caddy version | awk '{print $1}' > /caddy-version
 #
 # Hint: Bump Golang version there
 # ================================================================
-FROM golang:1.18.1-alpine as builder
+FROM golang:1.18.2-alpine as builder
 
 RUN apk add --update make