Remove go1.19 support (#235)

Author: mstmdev

.github/workflows/go.yml

@@ -14,7 +14,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go: [ '1.19','1.20' ]
+        go: [ '1.20' ]
         os: [ 'ubuntu-latest', 'windows-latest', 'macos-latest' ]
     runs-on: ${{ matrix.os }}
     steps:

README-CN.md

@@ -14,7 +14,7 @@
 
 ## 安装
 
-首先需要确保已经安装了[Go](https://golang.google.cn/doc/install) (**版本必须是1.19+**)，
+首先需要确保已经安装了[Go](https://golang.google.cn/doc/install) (**版本必须是1.20+**)，
 然后你就可以使用下面的命令来安装`gofs`了
 
 ```bash

README.md

@@ -14,7 +14,7 @@ A cross-platform real-time file synchronization tool out of the box based on Gol
 
 ## Installation
 
-The first need [Go](https://go.dev/doc/install) installed (**version 1.19+ is required**), then you can use the below
+The first need [Go](https://go.dev/doc/install) installed (**version 1.20+ is required**), then you can use the below
 command to install `gofs`.
 
 ```bash

go.mod

@@ -1,6 +1,6 @@
 module github.com/no-src/gofs
 
-go 1.19
+go 1.20
 
 require (
 	github.com/fsnotify/fsnotify v1.6.0