Update notes on OpenFaaS edge

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

README.md

@@ -126,7 +126,7 @@ View sample pages, reviews and testimonials on Gumroad:
 OpenFaaS Edge is a commercial distribution of faasd, with enhancements and additional features from OpenFaaS Pro. The [OpenFaaS Pro EULA applies](https://github.com/openfaas/faas/blob/master/pro/EULA.md).
 
 * Upgraded Cron Connector, JetStream Queue Worker and Classic Scale to Zero from OpenFaaS Standard
-* No limit on number of functions
+* Deploy up to 250 functions
 * Configure private DNS servers
 * Airgap-friendly with installation bundled in an OCI image
 * Multiple namespace support