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/milestones/reopen.go

@@ -5,7 +5,6 @@ package milestones
 
 import (
 	stdctx "context"
-	"errors"
 	"fmt"
 
 	"code.gitea.io/tea/cmd/flags"
@@ -33,7 +32,7 @@ func editMilestoneStatus(_ stdctx.Context, cmd *cli.Command, close bool) error {
 	ctx := context.InitCommand(cmd)
 	ctx.Ensure(context.CtxRequirement{RemoteRepo: true})
 	if ctx.Args().Len() == 0 {
-		return errors.New(ctx.Command.ArgsUsage)
+		return fmt.Errorf("missing required argument: %s", ctx.Command.ArgsUsage)
 	}
 
 	state := gitea.StateOpen