Connection: allow using application password for site registration (#…

…40233)

Adjust REST API to allow site registration without WP nonce if an application password is used.

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/11916342727

Upstream-Ref: Automattic/jetpack@6c1f800

composer.json

@@ -6,7 +6,7 @@
 	"require": {
 		"php": ">=7.2",
 		"automattic/jetpack-assets": "^4.0.0-alpha",
-		"automattic/jetpack-connection": "^6.0.1",
+		"automattic/jetpack-connection": "^6.1.0-alpha",
 		"automattic/jetpack-constants": "^3.0.0",
 		"automattic/jetpack-plans": "^0.5.0",
 		"automattic/jetpack-redirect": "^3.0.0",