Update workflow

Author: dim13

.github/workflows/c.yml

@@ -2,18 +2,15 @@ name: C CI
 
 on:
   push:
-    branches: [ "master" ]
+    branches: master
   pull_request:
-    branches: [ "master" ]
+    branches: master
+  workflow_dispatch:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v3
-    - name: install packages
-      run: sudo apt install libfftw3-dev libasound2-dev libx11-dev
-    - name: make
-      run: make
+    - uses: actions/checkout@v4
+    - run: sudo apt install libfftw3-dev libasound2-dev libx11-dev
+    - run: make