⬆️ Bump golang from 1.21 to 1.22

Bumps golang from 1.21 to 1.22.

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

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

Dockerfile

@@ -1,6 +1,6 @@
 ARG GOLANG_VERSION=1.21
 # This golang version is for the builder only
-FROM golang:1.21 as builder
+FROM golang:1.22 as builder
 
 WORKDIR /go/src/github.com/Templum/govulncheck-action/
 ENV GO111MODULE=on