Fix link for Carpentries community calendar - #560

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If you have files that automatically render output (e.g. R Markdown), then you should check for the following:

• 🎯 correct output
• 🖼️ correct figures
• ❓ new warnings
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Rendered Changes

🔍 Inspect the changes: https://github.com/carpentries/lesson-development-training/compare/md-outputs..md-outputs-PR-560

The following changes were observed in the rendered markdown documents:

 md5sum.txt    | 2 +-
 operations.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

⏱️ Updated at 2026-05-29 08:02:34 +0000