Update minimum requirements & tested up to

Author: aristath

readme.txt

@@ -1,9 +1,9 @@
 === SQLite Database Integration ===
 
 Contributors:      wordpressdotorg, aristath
-Requires at least: 6.0
-Tested up to:      6.4
-Requires PHP:      5.6
+Requires at least: 6.4
+Tested up to:      6.6.1
+Requires PHP:      7.0
 Stable tag:        2.1.11
 License:           GPLv2 or later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html