correctly order owlbot.py excludes

Author: chingor13

java-bigquerystorage/owlbot.py

@@ -22,14 +22,14 @@
 s.remove_staging_dirs()
 java.common_templates(monorepo=True, excludes=[
     ".github/*",
-    ".gitignore",
     ".kokoro/*",
+    "samples/*",
     "CODE_OF_CONDUCT.md",
     "CONTRIBUTING.md",
     "LICENSE",
     "SECURITY.md",
     "java.header",
     "license-checks.xml",
     "renovate.json",
-    "samples/*"
+    ".gitignore",
 ])