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

@@ -19,7 +19,7 @@ COPY assets ./assets
 # Install dependencies
 RUN pnpm install -r --offline --prod --ignore-scripts && pnpm build
 
-FROM golang:1.18.3-alpine AS builder
+FROM golang:1.18.4-alpine AS builder
 
 RUN apk add --no-cache git ca-certificates && mkdir /dozzle