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/golang.org/x/text/language/parse.go

@@ -59,7 +59,7 @@ func (c CanonType) Parse(s string) (t Tag, err error) {
 	if changed {
 		tt.RemakeString()
 	}
-	return makeTag(tt), err
+	return makeTag(tt), nil
 }
 
 // Compose creates a Tag from individual parts, which may be of type Tag, Base,