Build: set 1.19 as minimum supported Go version

Author: JoeKar

.github/workflows/test.yaml

@@ -4,7 +4,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.17.x, 1.23.x]
+        go-version: [1.19.x, 1.23.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:

README.md

@@ -162,7 +162,7 @@ Without these tools installed, micro will use an internal clipboard for copy and
 
 If your operating system does not have a binary release, but does run Go, you can build from source.
 
-Make sure that you have Go version 1.17 or greater and Go modules are enabled.
+Make sure that you have Go version 1.19 or greater and Go modules are enabled.
 
 ```
 git clone https://github.com/zyedidia/micro

go.mod

@@ -38,4 +38,4 @@ replace github.com/mattn/go-runewidth => github.com/zyedidia/go-runewidth v0.0.1
 
 replace layeh.com/gopher-luar v1.0.11 => github.com/layeh/gopher-luar v1.0.11
 
-go 1.17
+go 1.19