Bump golang from 1.21-alpine to 1.22-alpine

Bumps golang from 1.21-alpine to 1.22-alpine.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
...

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

Dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.6.0-labs
-FROM --platform=linux/amd64 golang:1.21-alpine AS build
+FROM --platform=linux/amd64 golang:1.22-alpine AS build
 
 ARG PKG_NAME
 ARG TARGETOS