Update Flex endpoint

index.json

@@ -326,6 +326,9 @@
         "web-profiler-bundle": "symfony/web-profiler-bundle",
         "web-server": "symfony/web-server-bundle",
         "web-server-bundle": "symfony/web-server-bundle",
+        "webapp": "symfony/webapp-pack",
+        "webapp-meta": "symfony/webapp-meta",
+        "webappmeta": "symfony/webapp-meta",
         "weblink": "symfony/web-link",
         "webpack": "symfony/webpack-encore-bundle",
         "webpack-encore": "symfony/webpack-encore-bundle",
@@ -682,6 +685,9 @@
         "symfony/web-server-bundle": [
             "3.3"
         ],
+        "symfony/webapp-meta": [
+            "1.0"
+        ],
         "symfony/webpack-encore-bundle": [
             "1.0",
             "1.6",
@@ -699,9 +705,6 @@
         "symfonycasts/reset-password-bundle": [
             "1.0"
         ],
-        "symfonycorp/platformsh-meta": [
-            "1.0"
-        ],
         "theofidry/alice-data-fixtures": [
             "1.0"
         ],

symfony.webapp-meta.1.0.json

@@ -1,6 +1,6 @@
 {
     "manifests": {
-        "symfonycorp/platformsh-meta": {
+        "symfony/webapp-meta": {
             "manifest": {
                 "copy-from-recipe": {
                     "config/": "%CONFIG_DIR%/"