Add job for go1.26

Author: bryanmcnulty

.github/workflows/go.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [ '1.23', '1.24', '1.25' ]
+        go-version: [ '1.23', '1.24', '1.25', '1.26' ]
 
     steps:
       - uses: actions/checkout@v4