Update .github/workflows

Author: wei18

.github/workflows/CI.yml

@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - main
+    paths:
+      - 'Sources/**'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/Dependabot.yml

@@ -3,7 +3,7 @@ name: Dependabot update commit
 on:
   pull_request:
     paths:
-      - 'Submodule/**' 
+      - 'Submodule/**'
 
 permissions:
   contents: write

.github/workflows/Doc.yml

@@ -7,7 +7,7 @@ on:
       - edited
   push:
     branches:
-      - 'main'
+      - main
     paths:
       - '.github/workflows/Doc.yml'