chore: deprecate bookmarklet

[rofe]

The Sidekick Bookmarklet is being deprecated due to lack of use (0.1%). Bookmarklet users should:

• no longer be able to install new bookmarklets
• receive a deprecation message when they click the bookmarklet

Test URLs:

• Before: https://main--helix-website--adobe.aem.page/tools/sidekick/?giturl=https://github.com/adobecom/blog
• After: https://deprecate-bookmarklet--helix-website--adobe.aem.page/tools/sidekick/?giturl=https://github.com/adobecom/blog

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed. In case there are problems, just click a checkbox below to rerun the respective action.

• [ ] Re-run PSI checks
• [ ] Re-sync branch

Commits

* [6c2b4a2](https://github.com/adobe/helix-website/commit/6c2b4a210a29832e45fc8a84653f348e87344529) :white_check_mark: (latest) * [f8926d6](https://github.com/adobe/helix-website/commit/f8926d6986a2909e18546498ebdc261257a69457) :white_check_mark: * [62a6ff0](https://github.com/adobe/helix-website/commit/62a6ff0c99a7c6ded161b8408896b9effe97501e) :white_check_mark: * [f23b79c](https://github.com/adobe/helix-website/commit/f23b79c4042ffa0bbec086b83fc357d4a17d6539) :white_check_mark: * [0307bf2](https://github.com/adobe/helix-website/commit/0307bf235e8ef1684d9e19cbee263059e4729d61) :white_check_mark: * [832451a](https://github.com/adobe/helix-website/commit/832451a9413412701eb7e990509725f409d7fba4) :white_check_mark:

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/tools/sidekick/?giturl=https

[rofe]