Chore: Bump Go to 1.23.4 (#98853)

* Chore: Bump Go to 1.23.4

This is done in preparation of updating the App SDK library we import, as it has bumped its Go version to 1.23.4 as well.

* Chore: make update-workspace

scripts/drone/variables.star

@@ -3,7 +3,7 @@ global variables
 """
 
 grabpl_version = "v3.1.1"
-golang_version = "1.23.1"
+golang_version = "1.23.4"
 
 # nodejs_version should match what's in ".nvmrc", but without the v prefix.
 nodejs_version = "22.11.0"