fix: change version numbers in docs

Author: rise-erpelding

src/plugins/example-blocks/example-blocks.php

@@ -2,8 +2,8 @@
 /**
  * Plugin Name:       Example Blocks
  * Description:       Collection of example blocks to demonstrate how custom blocks can be used and added.
- * Requires at least: 6.1
- * Requires PHP:      7.0
+ * Requires at least: 6.3
+ * Requires PHP:      7.1
  * Version:           0.1.0
  * Author:            The WordPress Contributors
  * License:           GPL-2.0-or-later

src/plugins/example-blocks/readme.txt

@@ -1,7 +1,7 @@
 === Example Blocks ===
 Contributors:      Sparkbox
 Tags:              block
-Tested up to:      6.1
+Tested up to:      6.3
 Stable tag:        0.1.0
 License:           GPL-2.0-or-later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html