finish off Go 1.22 upgrade

This patch cleans up some stragglers in the CircleCI config that were
still running on 1.19.

We also specify the patch version of Go in go.mod as that's what the
`1.22` tooling (and, I believe, 1.21) does. If we don't do that, various
third party tools like GitHub's CodeQL can break (see
github/codeql#15647 for the last time I ran
into this). This patch change is actually what clued me into the
CircleCI version bumps that were missing.

.circleci/config.yml

@@ -38,7 +38,7 @@ jobs:
           command: |
             make vet
             make -C tools/autograph-monitor vet
-            make -C verifier/contentsignature vet 
+            make -C verifier/contentsignature vet
       - run:
           name: run staticcheck
           command: |
@@ -50,7 +50,7 @@ jobs:
   unit-test:
     # based on the official golang image with more docker stuff
     docker:
-      - image: cimg/go:1.19
+      - image: cimg/go:1.22
         auth:
           username: $DOCKER_USER
           password: $DOCKER_PASS
@@ -80,7 +80,7 @@ jobs:
   build-integrationtest-verify:
     # based on the official golang image with more docker stuff
     docker:
-      - image: cimg/go:1.19
+      - image: cimg/go:1.22
         auth:
           username: $DOCKER_USER
           password: $DOCKER_PASS

go.mod

@@ -1,13 +1,14 @@
 module github.com/mozilla-services/autograph
 
-go 1.22
+go 1.22.5
 
 require (
 	github.com/DataDog/datadog-go v3.7.2+incompatible
 	github.com/ThalesIgnite/crypto11 v0.1.0
 	github.com/aws/aws-lambda-go v1.27.0
 	github.com/aws/aws-sdk-go v1.42.15
 	github.com/golang/mock v1.6.0
+	github.com/google/uuid v1.6.0
 	github.com/gorilla/mux v1.8.0
 	github.com/hashicorp/golang-lru v0.5.4
 	github.com/lib/pq v1.10.4
@@ -40,7 +41,6 @@ require (
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
 	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
 	github.com/golang/protobuf v1.3.2 // indirect
-	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/gax-go/v2 v2.0.5 // indirect
 	github.com/goware/prefixer v0.0.0-20160118172347-395022866408 // indirect
 	github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c // indirect