feat(deps): bump golang from 1.18.3-alpine to 1.18.4-alpine

Bumps golang from 1.18.3-alpine to 1.18.4-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

@@ -1,4 +1,4 @@
-FROM golang:1.18.3-alpine@sha256:7cc62574fcf9c5fb87ad42a9789d5539a6a085971d58ee75dd2ee146cb8a8695
+FROM golang:1.18.4-alpine@sha256:d84b1ff3eeb9404e0a7dda7fdc6914cbe657102420529beec62ccb3ef3d143eb
 
 RUN apk add --no-cache bash \
 	tini