chore(deps): update dependency go to v1.25.4

Author: renovate[bot]

go.mod

@@ -2,7 +2,7 @@ module github.com/integrations/terraform-provider-github/v6
 
 go 1.21
 
-toolchain go1.22.0
+toolchain go1.25.4
 
 require (
 	github.com/client9/misspell v0.3.4