Fix invalid JSON in documentation code examples

content/actions/how-tos/manage-runners/self-hosted-runners/customize-containers.md

@@ -100,7 +100,7 @@ The `prepare_job` command is called when a job is started. {% data variables.pro
   "state": {},
   "args": {
     "jobContainer": {
-      "image": "node:18"
+      "image": "node:18",
       "workingDirectory": "/__w/octocat-test2/octocat-test2",
       "createOptions": "--cpus 1",
       "environmentVariables": {

content/actions/reference/workflows-and-actions/expressions.md

@@ -412,18 +412,18 @@ You may also use the `*` syntax on an object. For example, suppose you have an o
   "scallions":
   {
     "colors": ["green", "white", "red"],
-    "ediblePortions": ["roots", "stalks"],
+    "ediblePortions": ["roots", "stalks"]
   },
   "beets":
   {
     "colors": ["purple", "red", "gold", "white", "pink"],
-    "ediblePortions": ["roots", "stems", "leaves"],
+    "ediblePortions": ["roots", "stems", "leaves"]
   },
   "artichokes":
   {
     "colors": ["green", "purple", "red", "black"],
-    "ediblePortions": ["hearts", "stems", "leaves"],
-  },
+    "ediblePortions": ["hearts", "stems", "leaves"]
+  }
 }
 ```
 
@@ -434,7 +434,7 @@ The filter `vegetables.*.ediblePortions` could evaluate to:
 [
   ["roots", "stalks"],
   ["hearts", "stems", "leaves"],
-  ["roots", "stems", "leaves"],
+  ["roots", "stems", "leaves"]
 ]
 ```
 

content/actions/tutorials/publish-packages/publish-nodejs-packages.md

@@ -110,7 +110,7 @@ If you do provide the `repository` key in your `package.json` file, then the rep
   "repository": {
     "type": "git",
     "url": "https://github.com/octocat/my-other-repo.git"
-  },
+  }
 }
 ```
 

content/copilot/concepts/agents/hooks.md

@@ -62,7 +62,7 @@ You configure hooks using a special JSON format. The JSON must contain a `versio
         "env": { "KEY": "value" },
         "timeoutSec": 30
       }
-    ],
+    ]
   }
 }
 ```

content/rest/using-the-rest-api/github-event-types.md

@@ -89,7 +89,7 @@ Link: <https://api.github.com/resource?page=2>; rel="next",
       "gravatar_id": "",
       "url": "https://api.github.com/orgs/github",
       "avatar_url": "https://github.com/images/error/octocat_happy.gif"
-    },
+    }
   }
 ]
 ```