limit go versions for testing

Author: magiconair

.github/workflows/go.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        go: ["1.19.x","1.18.x","1.11.x","1.10.x","1.5.x"]
+        go: ["1.19.x","1.18.x","1.5.x"] # keeping 1.5.x b/c we can. works with 1.3.x
 
     steps:
       - name: Setup Go ${{ matrix.go }}