ci(workflows): 分离Ruff的push和pull_request触发条件

将Ruff的触发条件从同时监听push和pull_request改为分别监听，以优化CI流程并减少不必要的构建

.github/workflows/ruff-pr.yml

@@ -0,0 +1,9 @@
+name: Ruff
+on: [ pull_request ]
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/ruff-action@v3
+

.github/workflows/ruff.yml

@@ -1,5 +1,5 @@
 name: Ruff
-on: [ push, pull_request ]
+on: [ push ]
 
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