chore(deps): bump golang from 1.21.3-alpine to 1.22.2-alpine

Bumps golang from 1.21.3-alpine to 1.22.2-alpine.

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

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

Dockerfile

@@ -1,5 +1,5 @@
 # image used for the healthcheck binary
-FROM golang:1.21.3-alpine AS gobuilder
+FROM golang:1.22.2-alpine AS gobuilder
 COPY healthcheck/ /go/src/healthcheck/
 WORKDIR /go/src/healthcheck
 RUN CGO_ENABLED=0 go build -trimpath -ldflags '-w -s -extldflags "-static"' -o /healthcheck ./...