Mark symfony/lock recipe as included

We don't need the recipe, so just add it to the lock file

symfony.lock

@@ -409,6 +409,18 @@
     "symfony/http-kernel": {
         "version": "v5.3.10"
     },
+    "symfony/lock": {
+        "version": "5.4",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "5.2",
+            "ref": "a1c8800e40ae735206bb14586fdd6c4630a51b8d"
+        },
+        "files": [
+            "config/packages/lock.yaml"
+        ]
+    },
     "symfony/messenger": {
         "version": "5.3",
         "recipe": {