docs(core): added missing close bracket (#27023)

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## Current Behavior
<!-- This is the behavior we have today -->

There is a missing closing bracket in the
[cache-task-result](https://nx.dev/features/cache-task-results#finetune-caching-with-inputs-and-outputs)

<img width="696" alt="Screenshot 2024-07-21 at 2 22 01 PM"
src="https://github.com/user-attachments/assets/4a798a3a-3869-46e9-bd0b-cb762034a70f">

## Expected Behavior
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-->

Add the missing closing bracket: change `{projectName` to
`{projectName}`.

## Related Issue(s)
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merged. -->
N/A!

(cherry picked from commit f366d4e)

docs/shared/features/cache-task-results.md

@@ -87,7 +87,7 @@ To achieve this, we can add an `inputs` and `outputs` definition globally for al
   "targetDefaults": {
     "build": {
       "inputs": ["{projectRoot}/**/*", "!{projectRoot}/**/*.md"],
-      "outputs": ["{workspaceRoot}/dist/{projectName"]
+      "outputs": ["{workspaceRoot}/dist/{projectName}"]
     }
   }
 }