ci: Update Go version and removes 0.10 release from strategy (#2510)

Author: philipgough

.github/workflows/versions.yaml

@@ -5,14 +5,13 @@ on:
   schedule:
     - cron: '37 7 * * 1'
 env:
-  golang-version: '1.20'
+  golang-version: '1.21'
 jobs:
   versions:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         branch:
-          - 'release-0.10'
           - 'release-0.11'
           - 'release-0.12'
           - 'release-0.13'