[v15] Use Go 1.22.x as the module version (#50879)

* Use Go 1.22.x as the module version

* Update .golangci.yml Go version to 1.22

* Remove golangci-lint exemptions related to Go 1.22

.golangci.yml

@@ -24,15 +24,6 @@ issues:
     - linters: [testifylint]
       text: "suite-thelper: suite helper method must start with"
       path: 'integrations/.+'
-    # Go 1.22 related warnings.
-    # These are OK because our toolchain is 1.22 or newer.
-    - linters: [govet]
-      text: "stdversion: cmp.Or requires go1.22 or later"
-    - linters: [govet]
-      text: "stdversion: rand.New requires go1.22 or later"
-    - linters: [govet]
-      text: "stdversion: rand.NewPCG requires go1.22 or later"
-
   exclude-use-default: true
   max-same-issues: 0
   max-issues-per-linter: 0
@@ -157,6 +148,6 @@ linters-settings:
       - suite-thelper
 
 run:
-  go: '1.21'
+  go: '1.22'
   build-tags: []
   timeout: 15m

go.mod

@@ -1,8 +1,6 @@
 module github.com/gravitational/teleport
 
-go 1.21
-
-toolchain go1.22.10
+go 1.22.10
 
 require (
 	cloud.google.com/go/cloudsqlconn v1.9.0

integrations/event-handler/go.mod

@@ -1,8 +1,6 @@
 module github.com/gravitational/teleport/integrations/event-handler
 
-go 1.21
-
-toolchain go1.22.10
+go 1.22.10
 
 require (
 	github.com/alecthomas/kong v0.9.0

integrations/terraform/go.mod

@@ -1,8 +1,6 @@
 module github.com/gravitational/teleport/integrations/terraform
 
-go 1.21
-
-toolchain go1.22.10
+go 1.22.10
 
 require (
 	github.com/gogo/protobuf v1.3.2