ci: update testing matrix and API usage for improved coverage

- Add Go version 1.24 to the testing matrix in GitHub Actions

Signed-off-by: Bo-Yi Wu <[email protected]>

Author: appleboy

.github/workflows/testing.yml

@@ -41,7 +41,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        go: [1.21, 1.22, 1.23]
+        go: [1.21, 1.22, 1.23, 1.24]
         include:
           - os: ubuntu-latest
             go-build: ~/.cache/go-build