Configure golangci-lint to show all issues (#21106)

golangci by default [limits](https://golangci-lint.run/usage/configuration/#issues-configuration)
"same issues" to 3 which can be hindering when many issues are present.
Change it to always show all issues.

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

.golangci.yml

@@ -86,6 +86,8 @@ linters-settings:
       - github.com/unknwon/com: "use gitea's util and replacements"
 
 issues:
+  max-issues-per-linter: 0
+  max-same-issues: 0
   exclude-rules:
     # Exclude some linters from running on tests files.
     - path: _test\.go