[composer] Set dependencies for 2.1.15 release.

composer.json

@@ -12,11 +12,11 @@
     "require": {
         "ext-json": "*",
         "php": "^7.3 || ^8.0",
-        "ezsystems/doctrine-dbal-schema": "^1.0@dev",
-        "ezsystems/ezplatform-content-forms": "^1.3@dev",
-        "ezsystems/ezplatform-kernel": "^1.3@dev",
-        "ezsystems/ezplatform-rest": "^1.0@dev",
-        "ezsystems/ezplatform-richtext": "^2.3@dev",
+        "ezsystems/doctrine-dbal-schema": "^1.0",
+        "ezsystems/ezplatform-content-forms": "^1.3",
+        "ezsystems/ezplatform-kernel": "^1.3",
+        "ezsystems/ezplatform-rest": "^1.0",
+        "ezsystems/ezplatform-richtext": "^2.3",
         "guzzlehttp/guzzle": "~6.0",
         "ramsey/uuid": "^3.9",
         "symfony/framework-bundle": "^5.0",
@@ -27,7 +27,7 @@
     "require-dev": {
         "dg/bypass-finals": "^1.1",
         "ezsystems/ezplatform-code-style": "^0.4",
-        "ezsystems/ezplatform-http-cache": "^2.3@dev",
+        "ezsystems/ezplatform-http-cache": "^2.3",
         "phpstan/phpstan": "^1.2",
         "phpstan/phpstan-phpunit": "^1.0",
         "phpstan/phpstan-symfony": "^1.0",
@@ -61,4 +61,4 @@
         "sort-packages": true,
         "allow-plugins": false
     }
-}
+}