Mark SECURITY-3590 as also fixed in Git Client Plugin 6.2.1

https://www.jenkins.io/security/advisory/2025-09-03/#SECURITY-3590 is
fixed by backporting the changes from Git Client Plugin 6.3.3

Backport from commit 20090a86c3ebc72e5283c882de73e3a4459137bb

Git Client Plugin 6.2.1 also includes fixes to support command line
git 2.51.0.  Those changes were originally from pull requests:

* jenkinsci/git-client-plugin#1326
* jenkinsci/git-client-plugin#1327

Fixed by pull request:

* jenkinsci/git-client-plugin#1332

Testing done:

I've run interactive tests with Git Client Plugin 6.2.1 incremental
build and found no issues.

Author: MarkEWaite

resources/warnings.json

@@ -18907,7 +18907,7 @@
     "versions": [
       {
         "lastVersion": "6.3.2",
-        "pattern": "([1-5]|6[.][0-2]|6[.]3[.][0-2])(|[.-].+)"
+        "pattern": "([1-5]|6[.][0-1]|6[.]2[.]0|6[.]3[.][0-2])(|[.-].+)"
       }
     ]
   },