build: go 1.24

We were running behind and there were quite some deprecations to update.
This was mostly in the upstream copy/pasta package but seems quite
minimal.

vendor/github.com/go-git/go-git/v5/worktree.go

@@ -425,8 +425,9 @@ func (w *Worktree) resetIndex(t *object.Tree, dirs []string, files []string) err
 }
 
 func inFiles(files []string, v string) bool {
+	v = filepath.Clean(v)
 	for _, s := range files {
-		if s == v {
+		if filepath.Clean(s) == v {
 			return true
 		}
 	}