[v2] Optimize gifs packaged with vsce to reduce file size

[t1m0thyj]

What It Does

Shrinks the size of GIFs in the repo by lossless optimizing them with gifsicle: for gif in $(find packages/vsce/docs/images -name '*.gif'); do gifsicle -b -O3 $gif; done

How to Test

Review Checklist I certify that I have:

• [ ] tested my changes
• [ ] added/updated automated tests
• [ ] updated the changelog
• [ ] followed the contribution guidelines

Additional Comments

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Please upload report for BASE (main@49aadd9). Learn more about missing BASE report.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #130 +/- ## ======================================= Coverage ? 93.28% ======================================= Files ? 74 Lines ? 760 Branches ? 94 ======================================= Hits ? 709 Misses ? 51 Partials ? 0 ```

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[github-actions[bot]]

Version info from a repo admin is required to publish a new version. Please add one of the following labels within 30 minutes:

• release-current: 5.0.6 (default)
• release-patch: 5.0.7
• release-minor: 5.1.0

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[github-actions[bot]]

Release failed for the main branch. :cry:

HttpError: invalid json response body at https://api.github.com/repos/zowe/cics-for-zowe-client/issues/130/events?per_page=100 reason: Unexpected end of JSON input
    at /home/runner/work/_actions/zowe-actions/octorelease/v1/dist/github.js:4880:15
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)

Check the workflow run for more error details.

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