Update PHP images with latest newrelic agent

Signed-off-by: Riddhesh Sanghvi <[email protected]>

Author: mrrobot47

img-versions.json

@@ -4,14 +4,14 @@
     "easyengine/mariadb": "v4.6.5",
     "easyengine/nginx-proxy": "v4.6.5",
     "easyengine/nginx": "v4.6.5",
-    "easyengine/php": "v4.6.5",
-    "easyengine/php5.6": "v4.6.5",
-    "easyengine/php7.0": "v4.6.5",
-    "easyengine/php7.2": "v4.6.5",
-    "easyengine/php7.3": "v4.6.5",
-    "easyengine/php7.4": "v4.6.5",
-    "easyengine/php8.0": "v4.6.5",
-    "easyengine/php8.1": "v4.6.5",
+    "easyengine/php": "v4.6.6",
+    "easyengine/php5.6": "v4.6.6",
+    "easyengine/php7.0": "v4.6.6",
+    "easyengine/php7.2": "v4.6.6",
+    "easyengine/php7.3": "v4.6.6",
+    "easyengine/php7.4": "v4.6.6",
+    "easyengine/php8.0": "v4.6.6",
+    "easyengine/php8.1": "v4.6.6",
     "easyengine/postfix": "v4.6.5",
     "easyengine/redis": "v4.6.5",
     "easyengine/newrelic-daemon": "v4.6.5"