ci: Upgrade Go to 1.17 (#1130)

Author: kyleconroy

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
 
     - uses: actions/setup-go@v2
       with:
-        go-version: '1.16'
+        go-version: '1.17'
 
     - run: go build ./...
       working-directory: internal/endtoend/testdata