ci(github workflows): 将actions/checkout升级到v7版本

更新了所有工作流中的checkout动作版本，从v6升级到v7以获取最新功能和修复

Author: RealChuan

.github/workflows/cmake.yml

@@ -49,7 +49,7 @@ jobs:
           - "Ninja"
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 1
 

.github/workflows/codeql.yml

@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 1
 

.github/workflows/qmake.yml

@@ -48,7 +48,7 @@ jobs:
           - ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 1
 

.github/workflows/readme.yml

@@ -12,7 +12,7 @@ jobs:
   Translate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
       # ISO Langusge Codes: https://cloud.google.com/translate/docs/languages
       - name: Adding README - English