docs: add justsomescripts as a contributor for bug, and code (#21466)

Adds @justsomescripts as a contributor for bug, code.

This was requested by stavros-k [in this
comment](https://github.com/truecharts/charts/issues/21465#issuecomment-2094680260)

[skip ci]

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

.all-contributorsrc

@@ -2327,6 +2327,16 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "justsomescripts",
+      "name": "David Gries",
+      "avatar_url": "https://avatars.githubusercontent.com/u/105990982?v=4",
+      "profile": "https://dgries.de",
+      "contributions": [
+        "bug",
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,