Update dependency wpackagist-plugin/activitypub to v0.15.0

composer.json

@@ -127,7 +127,7 @@
         "wpackagist-plugin/event-organiser": "3.12.2",
         "noblogs/ai-authenticate-rest-api-plugin": "0.0.3",
         "wpackagist-plugin/multisite-custom-css": "1.0",
-        "wpackagist-plugin/activitypub": "0.14.3",
+        "wpackagist-plugin/activitypub": "0.15.0",
         "wpackagist-plugin/memcached": "4.0.0"
     },    
     "extra": {

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "23aefb00ec386456795caaff492ff33e",
+    "content-hash": "b1d677e519a593a3753751e2eff88467",
     "packages": [
         {
             "name": "bjornjohansen/wplang",
@@ -830,15 +830,15 @@
         },
         {
             "name": "wpackagist-plugin/activitypub",
-            "version": "0.14.3",
+            "version": "0.15.0",
             "source": {
                 "type": "svn",
                 "url": "https://plugins.svn.wordpress.org/activitypub/",
-                "reference": "tags/0.14.3"
+                "reference": "tags/0.15.0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/plugin/activitypub.0.14.3.zip"
+                "url": "https://downloads.wordpress.org/plugin/activitypub.0.15.0.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"