chore(CI): add go1.20

Signed-off-by: Bo-Yi.Wu <appleboy.tw@gmail.com>

Author: appleboy

.github/workflows/go.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        go: [1.17, 1.18, 1.19]
+        go: [1.17, 1.18, 1.19, '1.20']
         include:
           - os: ubuntu-latest
             go-build: ~/.cache/go-build