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>

modules/print/times.go

@@ -11,7 +11,7 @@ import (
 
 // TrackedTimesList print list of tracked times to stdout
 func TrackedTimesList(times []*gitea.TrackedTime, outputType string, fields []string, printTotal bool) {
-	var printables = make([]printable, len(times))
+	printables := make([]printable, len(times))
 	var totalDuration int64
 	for i, t := range times {
 		totalDuration += t.Time