Update to Go 1.19

With this upgrade our codebase adopts the stricter handling of `os/exec` command lookup in it that it doesn't allow shelling out to a command in the current directory.

.devcontainer/devcontainer.json

@@ -1,5 +1,5 @@
 {
-	"image": "mcr.microsoft.com/devcontainers/go:1.18",
+	"image": "mcr.microsoft.com/devcontainers/go:1.19",
 	"features": {
 		"ghcr.io/devcontainers/features/sshd:1": {}
 	},

.github/workflows/go.yml

@@ -13,10 +13,10 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - name: Set up Go 1.18
+      - name: Set up Go 1.19
         uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
 
       - name: Check out code
         uses: actions/checkout@v3

.github/workflows/lint.yml

@@ -19,10 +19,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Set up Go 1.18
+      - name: Set up Go 1.19
         uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
 
       - name: Check out code
         uses: actions/checkout@v3

.github/workflows/releases.yml

@@ -17,10 +17,10 @@ jobs:
         uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Set up Go 1.18
+      - name: Set up Go 1.19
         uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
       - name: Generate changelog
         id: changelog
         run: |

docs/source.md

@@ -1,6 +1,6 @@
 # Installation from source
 
-1. Verify that you have Go 1.18+ installed
+1. Verify that you have Go 1.19+ installed
 
    ```sh
    $ go version

go.mod

@@ -1,6 +1,6 @@
 module github.com/cli/cli/v2
 
-go 1.18
+go 1.19
 
 require (
 	github.com/AlecAivazis/survey/v2 v2.3.6