🐛 fix(ci): 让 Go 版本跟随 go.mod

- 将 dev-build 的两处 setup-go 改为读取 go.mod

- 同步修正 release workflow，避免构建 Go 版本再次漂移

.github/workflows/dev-build.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.24.3'
+          go-version-file: 'go.mod'
 
       - name: Setup Node
         uses: actions/setup-node@v5
@@ -278,7 +278,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.24.3'
+          go-version-file: 'go.mod'
 
       - name: Download frontend dist
         uses: actions/download-artifact@v7

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.24.3'
+          go-version-file: 'go.mod'
 
       - name: Setup Node
         uses: actions/setup-node@v5
@@ -283,7 +283,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.24.3'
+          go-version-file: 'go.mod'
 
       - name: Download frontend dist
         uses: actions/download-artifact@v7