Merge branch 'renovate/golang-1.x' into 'main'

Update dependency golang to v1.20.4

See merge request https://gitlab.com/gitlab-org/gitlab-shell/-/merge_requests/748



Merged-by: Ash McKenzie <amckenzie@gitlab.com>
Approved-by: Ash McKenzie <amckenzie@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>

.gitlab-ci.yml

@@ -56,7 +56,7 @@ tests:
   extends: .test
   parallel:
     matrix:
-      - GO_VERSION: ["golang-1.18", "golang-1.19"]
+      - GO_VERSION: ["golang-1.18", "golang-1.19", "golang-1.20"]
   script:
     - make verify test
   after_script:

.tool-versions

 ruby 3.2.2
-golang 1.19.9
+golang 1.20.4