fix: not work for minior update

Author: kenjis

admin/create-new-changelog.php

@@ -29,7 +29,9 @@ function replace_file_content(string $path, string $pattern, string $replace): v
 $isMinorUpdate       = ($minorCurrent !== $minor);
 
 // Creates a branch for release.
-system('git switch develop');
+if (! $isMinorUpdate) {
+    system('git switch develop');
+}
 system('git switch -c docs-changelog-' . $version);
 system('git switch docs-changelog-' . $version);