bump go to 1.19 (#380)

* bump go to 1.19

* go fmt

.github/workflows/go_test.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         go-version:
-          - 1.16
+          - 1.19
     name: lint and test
     runs-on: ubuntu-latest
     steps:
@@ -21,7 +21,7 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3.2.0
         with:
-          version: v1.38.0
+          version: v1.48.0
       - name: Install Go
         uses: actions/setup-go@v3
         with:

go.mod

@@ -1,6 +1,6 @@
 module github.com/go-co-op/gocron
 
-go 1.17
+go 1.19
 
 require (
 	github.com/robfig/cron/v3 v3.0.1

gocron.go

@@ -3,7 +3,6 @@
 // An in-process scheduler for periodic jobs that uses the builder pattern
 // for configuration. gocron lets you run Golang functions periodically
 // at pre-determined intervals using a simple, human-friendly syntax.
-//
 package gocron
 
 import (