bump to go 1.19

Author: sechmann

.github/workflows/controlplane.yml

@@ -11,7 +11,7 @@ on:
       - ".github/workflows/controlplane.yml"
       - "packaging/controlplane/**"
 env:
-  go_version: "1.18"
+  go_version: "1.19"
   REGISTRY: europe-north1-docker.pkg.dev/nais-io/nais/images
 
 jobs:

.github/workflows/frontends.yml

@@ -11,7 +11,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  go_version: "1.18"
+  go_version: "1.19"
 jobs:
   test:
     runs-on: ubuntu-22.04