fix(ci): remove go toolchain, update controller-gen tool

Signed-off-by: Szilard Parrag <szilard.parrag@axoflow.com>

.github/workflows/e2e.yaml

@@ -8,7 +8,7 @@ on:
   pull_request:
 
 env:
-  GO_VERSION: '1.21'
+  GO_VERSION: '1.21.5'
   KUBECTL_VERSION: 'v1.24.1'
 
 jobs:

Makefile

@@ -172,7 +172,7 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 
 ## Tool Versions
 KUSTOMIZE_VERSION ?= v5.2.1
-CONTROLLER_TOOLS_VERSION ?= v0.13.0
+CONTROLLER_TOOLS_VERSION ?= v0.14.0
 
 .PHONY: kustomize
 kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.

go.mod

@@ -2,8 +2,6 @@ module github.com/kube-logging/subscription-operator
 
 go 1.21
 
-toolchain go1.21.5
-
 require (
 	emperror.dev/errors v0.8.1
 	github.com/cisco-open/operator-tools v0.34.0