Bump golang from 1.22.7-bookworm to 1.22.8-bookworm

Bumps golang from 1.22.7-bookworm to 1.22.8-bookworm.

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

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

Dockerfile

@@ -1,5 +1,5 @@
 # vim: set expandtab sw=4
-FROM golang:1.22.7-bookworm
+FROM golang:1.22.8-bookworm
 
 # Create a non-priviledged user to run browsers as (Firefox and Chrome do not
 # like to run as root).