Update go tool dependencies, restructure lint targets (#24239)

- Update all tool dependencies to latest tag
- Remove unused errcheck, it is part of golangci-lint
- Include main.go in air
- Enable wastedassign again now that it's
[generics-compatible](https://github.com/golangci/golangci-lint/pull/3689)
- Restructured lint targets to new `lint-*` namespace

.golangci.yml

@@ -22,7 +22,7 @@ linters:
     - unconvert
     - unused
     # - varcheck # deprecated - https://github.com/golangci/golangci-lint/issues/1841
-    # - wastedassign # disabled - https://github.com/golangci/golangci-lint/issues/2649
+    - wastedassign
   enable-all: false
   disable-all: true
   fast: false