minor #392 Fix little typo in Autocomplete code docs (jmsche)

This PR was merged into the 2.x branch.

Discussion
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Fix little typo in Autocomplete code docs

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Tickets       | N/A
| License       | MIT

Commits
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e2dc97a Fix little typo in Autocomplete code docs

src/Autocomplete/src/Resources/doc/index.rst

@@ -316,7 +316,7 @@ events that the core Stimulus controller dispatches:
             console.log(event.detail.options); // Options that will be used to initialize TomSelect
             event.detail.options.onChange = (value) => {
                 // ...
-            });
+            };
         }
 
         _onConnect(event) {