Chore: Upgrade Go to 1.19.1 (#54902)

* WIP

* Set public_suffix to a pre Ruby 2.6 version

* we don't need to install python

* Stretch->Buster

* Bump versions in lib.star

* Manually update linter

Sort of messy, but the .mod-file need to contain all dependencies that
use 1.16+ features, otherwise they're assumed to be compiled with
-lang=go1.16 and cannot access generics et al.

Bingo doesn't seem to understand that, but it's possible to manually
update things to get Bingo happy.

* undo reformatting

* Various lint improvements

* More from the linter

* goimports -w ./pkg/

* Disable gocritic

* Add/modify linter exceptions

* lint + flatten nested list

Go 1.19 doesn't support nested lists, and there wasn't an obvious workaround.
https://go.dev/doc/comment#lists

pkg/services/ngalert/api/tooling/definitions/api.go

@@ -3,23 +3,22 @@
 // Package definitions includes the types required for generating or consuming an OpenAPI
 // spec for the Grafana Alerting API.
 //
+//	 Schemes: http, https
+//	 BasePath: /api/v1
+//	 Version: 1.1.0
 //
-//     Schemes: http, https
-//     BasePath: /api/v1
-//     Version: 1.1.0
+//	 Consumes:
+//	 - application/json
 //
-//     Consumes:
-//     - application/json
+//	 Produces:
+//	 - application/json
 //
-//     Produces:
-//     - application/json
+//	 Security:
+//	 - basic
 //
-//     Security:
-//     - basic
-//
-//    SecurityDefinitions:
-//    basic:
-//      type: basic
+//	SecurityDefinitions:
+//	basic:
+//	  type: basic
 //
 // swagger:meta
 package definitions