fix: update GitHub Actions workflow to use Go 1.24

- Update actions/setup-go from v4 to v5
- Update go-version from 1.20 to 1.24
- Fixes CI build failure due to go.mod version mismatch

Author: 0x524a

.github/workflows/go.yml

@@ -17,9 +17,9 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Set up Go
-      uses: actions/setup-go@v4
+      uses: actions/setup-go@v5
       with:
-        go-version: '1.20'
+        go-version: '1.24'
 
     - name: Build
       run: go build -v ./...