Update go versions to build against in ci.

Author: bemasher

.github/workflows/go.yml

@@ -13,7 +13,19 @@ jobs:
     runs-on: ubuntu-18.04
     strategy:
       matrix:
-        go: ["1.11", "1.12", "1.13", "1.14", "1.15", "1.16", "1.17"]
+        go:
+          [
+            "1.16",
+            "1.17",
+            "1.18",
+            "1.19",
+            "1.20",
+            "1.21",
+            "1.22",
+            "1.23",
+            "1.24",
+            "1.25",
+          ]
     name: Go ${{ matrix.go }} sample
     steps:
       - uses: actions/checkout@v2