build: set file version to 1.20.0-beta.1

RobinTheHood · RobinTheHood · commit 52ebd200868f · 2023-03-01T19:44:47.000+01:00
diff --git a/config/version.json b/config/version.json
@@ -1 +1 @@
-{"version": "1.19.1"}
+{"version": "1.20.0-beta.1"}
