Update Vendors (#337)

* update & migrate gitea sdk (Fix Delete Tag Issue)
* upgraded github.com/AlecAivazis/survey v2.2.7 => v2.2.8
* upgraded github.com/adrg/xdg v0.2.3 => v0.3.1
* upgraded github.com/araddon/dateparse
* upgraded github.com/olekukonko/tablewriter v0.0.4 => v0.0.5
* upgraded gopkg.in/yaml.v2 v2.3.0 => v2.4.0

Reviewed-on: https://gitea.com/gitea/tea/pulls/337
Reviewed-by: Norwin <noerw@noreply.gitea.io>
Reviewed-by: khmarbaise <khmarbaise@noreply.gitea.io>
Co-authored-by: 6543 <6543@obermui.de>
Co-committed-by: 6543 <6543@obermui.de>

vendor/github.com/dlclark/regexp2/regexp.go

@@ -235,14 +235,17 @@ func (re *Regexp) getRunesAndStart(s string, startAt int) ([]rune, int) {
 		ret[i] = r
 		i++
 	}
-	if startAt == len(s) {
-		runeIdx = i
-	}
 	return ret[:i], runeIdx
 }
 
 func getRunes(s string) []rune {
-	return []rune(s)
+	ret := make([]rune, len(s))
+	i := 0
+	for _, r := range s {
+		ret[i] = r
+		i++
+	}
+	return ret[:i]
 }
 
 // MatchRunes return true if the runes matches the regex