all: bump to Go-1.19

sbinet · sbinet · commit 5581c96741ed · 2022-08-18T12:45:42.000+02:00
Signed-off-by: Sebastien Binet &lt;binet@cern.ch&gt;
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     name: Build
     strategy:
       matrix:
-        go-version: [1.18.x, 1.17.x]
+        go-version: [1.19.x, 1.18.x]
         platform: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.platform }}
     env:
@@ -79,7 +79,6 @@ jobs:
       if: matrix.platform == 'ubuntu-latest'
       run: |
         go test -v ./...
-        test -z "$(gofmt -d .)"
         ./.ci/check-imports.sh
         ./.ci/test-coverage.sh
 
diff --git a/appveyor.yml b/appveyor.yml
@@ -2,7 +2,7 @@ build: off
 
 image: Visual Studio 2019
 
-stack: go 1.17
+stack: go 1.18
 
 clone_folder: c:\gopath\src\gonum.org\v1\plot
 
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module gonum.org/v1/plot
 
-go 1.17
+go 1.18
 
 require (
 	gioui.org v0.0.0-20210308172011-57750fc8a0a6
