Removed Smtps DSN and moved recipe for 5.2

Author: drixs6o9

symfony/sendinblue-mailer/5.2/manifest.json

@@ -0,0 +1,6 @@
+{
+    "env": {
+        "#1": "MAILER_DSN=sendinblue+api://KEY@default",
+        "#2": "MAILER_DSN=sendinblue+smtp://USERNAME:PASSWORD@default"
+    }
+}