github: bump go version

bhandras · bhandras · commit 4b1bf3dde14a · 2024-05-23T08:57:28.000+02:00
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ env:
 
   # If you change this value, please change it in the following files as well:
   # /Dockerfile
-  GO_VERSION: 1.20.4
+  GO_VERSION: 1.21.4
 
 jobs:
   ########################
