Update Slack embed with improved sizing and security

[osterman]

what

• Updated Slack embed to use new Cloud Posse embed URL
• Improved sizing: 700px height, full width with 3xl max constraint for better visibility
• Added security sandbox attributes for safer iframe integration
• Replaced deprecated inline styles with Tailwind CSS classes

why

The previous embed was too small (300x330px) and used deprecated HTML attributes. The new embed provides better visual prominence, improved security, and cleaner modern styling.

references

Updated website/docs/community/slack.mdx

[github-actions[bot]]

[!WARNING] This PR is blocked from merging because a required semver label is missing.

major, minor, patch, no-release

You'll need to add one before this PR can be merged.

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📥 Commits

Reviewing files that changed from the base of the PR and between 10886fe5b17f034c01e2396c0c47de19575a8065 and 25ed448d5ee81bba1f5429fb49222549f10b5fdb.

📒 Files selected for processing (1)

• website/docs/community/slack.mdx (1 hunks)

✨ Finishing touches

🧪 Generate unit tests (beta)

• [ ] Create PR with unit tests
• [ ] Post copyable unit tests in a comment
• [ ] Commit unit tests in branch osterman/update-slack-embed

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[github-actions[bot]]

Dependency Review

✅ No vulnerabilities or license issues found.

Scanned Files

None

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 71.45%. Comparing base (d2cf477) to head (25ed448). :warning: Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1802      +/-   ##
==========================================
+ Coverage   70.95%   71.45%   +0.50%     
==========================================
  Files         452      461       +9     
  Lines       42719    43631     +912     
==========================================
+ Hits        30311    31178     +867     
- Misses       9856     9907      +51     
+ Partials     2552     2546       -6     

Flag	Coverage Δ
unittests	71.45% <ø> (+0.50%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more. see 34 files with indirect coverage changes

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