chore: bump verified PIN_KERNELSU to latest main tip

.github/workflows/main.yml

@@ -177,7 +177,7 @@ jobs:
 
           # Audited pins (from root-variants.yml). Used only when commit_mode=verified.
           PIN_NOMOUNT="7eb06026fe788ceea0f3c4de4a0b42ffa0a4cc99"
-          PIN_KERNELSU="e38512f1255ea454d34cc2008d2ef7932547fad6"
+          PIN_KERNELSU="3c1240625655978f319a98398031100b80e9da7c"
           PIN_RESUKISU="3c1882886dbbb54f4aae7ddf205f8ccde32c2a34"
           declare -A PIN_SUSFS=(
             [susfs_commit_android12_5_10]="ec785f47d49f7b3871ca9356f450411020af7017"