minor symfony#2299 Update jetbrains stimulus plugin url. (Basster)

This PR was merged into the 2.x branch.

Discussion
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Update jetbrains stimulus plugin url.

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Issues        | no
| License       | MIT

JetBrains took over the Stimulus Plugin into its official plugin catalog and the old plugin from Andrey Starovoyt is deprecated.

* Old: https://plugins.jetbrains.com/plugin/18940-stimulus
* New: https://plugins.jetbrains.com/plugin/24562-stimulus

I've updated the link in the StimulusBundle docs.

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Commits
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481a9ad update jetbrains stimulus plugin url.

Author: kbond

src/StimulusBundle/doc/index.rst

@@ -576,4 +576,4 @@ it will normalize it:
 .. _`stimulus-components`: https://stimulus-components.netlify.app/
 .. _`TypeScript`: https://www.typescriptlang.org/
 .. _`sensiolabs/typescript-bundle`: https://github.com/sensiolabs/AssetMapperTypeScriptBundle
-.. _`Stimulus plugin`: https://plugins.jetbrains.com/plugin/18940-stimulus
+.. _`Stimulus plugin`: https://plugins.jetbrains.com/plugin/24562-stimulus