fix: Don't reject unfloored timestamps for the most permissive demo configuration

Author: confiks

src/main/resources/config.sample-demo.json

@@ -32,7 +32,7 @@
     // epoch bondary. If this is set to true and the IdP requests a validity for a credential which does
     // not fall on such a boundary, we reject the request. If set to true, we accept the request and
     // floor it to the nearest epoch boundary ourselves.
-    "reject_unfloored_validity_timestamps": true,
+    "reject_unfloored_validity_timestamps": false,
 
     // DANGEROUS: Allow JWTs containing issuing requests to be unsigned (using signing algorithm "none").
     // Use with care: if you set this to true, anyone that can reach your server can create issuance requests!