ci: update Go and staticcheck versions (#1639)

- Add Go 1.23 support
- Remove Go 1.20 support
- Update staticcheck action

.github/workflows/test.yml

@@ -15,9 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dominikh/[email protected]
-        with:
-          version: "2023.1.6"
+      - uses: dominikh/[email protected]
 
   list:
     runs-on: ubuntu-latest
@@ -31,10 +29,10 @@ jobs:
           import os
           go = [
               # Keep the most recent production release at the top
-              '1.22',
+              '1.23',
               # Older production releases
+              '1.22',
               '1.21',
-              '1.20',
           ]
           mysql = [
               '9.0',

README.md

@@ -41,7 +41,7 @@ A MySQL-Driver for Go's [database/sql](https://golang.org/pkg/database/sql/) pac
 
 ## Requirements
 
-* Go 1.20 or higher. We aim to support the 3 latest versions of Go.
+* Go 1.21 or higher. We aim to support the 3 latest versions of Go.
 * MySQL (5.7+) and MariaDB (10.5+) are supported.
 * [TiDB](https://github.com/pingcap/tidb) is supported by PingCAP.
   * Do not ask questions about TiDB in our issue tracker or forum.

go.mod

@@ -1,5 +1,5 @@
 module github.com/go-sql-driver/mysql
 
-go 1.20
+go 1.21
 
 require filippo.io/edwards25519 v1.1.0