docs: document new zink-flag

We forgot to document this previously, so let's add it now.

Fixes: feb9462bb19 ("zink: Added inbuilt debug logging from the VK_LAYER_LUNARG_standard_validation layer.")
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7802>
(cherry picked from commit 85647152535203aec5a5e77872e3ca501136244a)
diff --git a/.pick_status.json b/.pick_status.json
index 416554b..d077b93 100644
--- a/.pick_status.json
+++ b/.pick_status.json
@@ -1768,7 +1768,7 @@
         "description": "docs: document new zink-flag",
         "nominated": true,
         "nomination_type": 1,
-        "resolution": 0,
+        "resolution": 1,
         "master_sha": null,
         "because_sha": "feb9462bb19096ecfcc11b42d5474c6309594cd9"
     },