chore(ci): test against modern Go versions

.github/workflows/test.yml

@@ -33,7 +33,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
-        go_version: [1.14.x, 1.15.x]
+        go_version: [1.17.x, 1.18.x, 1.19.x]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Install Go ${{ matrix.go }}

.github/workflows/verify-go-src.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        go_version: [1.15.x]
+        go_version: [1.19.x]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Install Go ${{ matrix.go }}

go.mod

@@ -14,8 +14,10 @@ require (
 	github.com/kyoh86/richgo v0.3.3
 	github.com/myitcv/gobin v0.0.14
 	github.com/pkg/errors v0.9.1
+	github.com/rogpeppe/go-internal v1.9.0 // indirect
 	github.com/rsc/goversion v1.2.0
 	github.com/sirupsen/logrus v1.6.0
 	github.com/stretchr/testify v1.7.0
 	golang.org/x/net v0.0.0-20201224014010-6772e930b67b // indirect
+	golang.org/x/sys v0.4.0 // indirect
 )