Code Cleanup (#869)

- switch to golangci-lint for linting
- switch to gofmpt for formatting
- fix lint and fmt issues that came up from switch to new tools
- upgrade go-sdk to 0.23.2
- support pagination for listing tracked times
- remove `FixPullHeadSha` workaround (upstream fix has been merged for 5+ years at this point)
- standardize on US spelling (previously a mix of US&UK spelling)
- remove some unused code
- reduce some duplication in parsing state and issue type
- reduce some duplication in reading input for secrets and variables
- reduce some duplication with PR Review code
- report error for when yaml parsing fails
- various other misc cleanup

Reviewed-on: https://gitea.com/gitea/tea/pulls/869
Co-authored-by: techknowlogick <techknowlogick@gitea.com>
Co-committed-by: techknowlogick <techknowlogick@gitea.com>

cmd/issues/reopen.go

@@ -20,7 +20,7 @@ var CmdIssuesReopen = cli.Command{
 	Description: `Change state of one or more issues to 'open'`,
 	ArgsUsage:   "<issue index> [<issue index>...]",
 	Action: func(ctx context.Context, cmd *cli.Command) error {
-		var s = gitea.StateOpen
+		s := gitea.StateOpen
 		return editIssueState(ctx, cmd, gitea.EditIssueOption{State: &s})
 	},
 	Flags: flags.AllDefaultFlags,