ci: skip dup lkm build

- Fixed and added build 6.12

- Repair construction

Co-authored-by: Ylarod <me@ylarod.cn>

.github/workflows/build-lkm.yml

@@ -1,15 +1,5 @@
 name: Build LKM for KernelSU
 on:
-  push:
-    branches: ["main", "ci", "checkci"]
-    paths:
-      - ".github/workflows/**"
-      - "kernel/**"
-  pull_request:
-    branches: ["main"]
-    paths:
-      - ".github/workflows/**"
-      - "kernel/**"
   workflow_call:
   workflow_dispatch:
 jobs: