Fixes the links to welcome and demo sessions for 2024

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

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Rendered Changes

:mag: Inspect the changes: https://github.com/carpentries/instructor-training/compare/md-outputs..md-outputs-PR-1640

The following changes were observed in the rendered markdown documents:

 14-checkout.md | 4 ++--
 md5sum.txt     | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

What does this mean?

If you have source files that require output and figures to be generated (e.g. R Markdown), then it is important to make sure the generated figures and output are reproducible. This output provides a way for you to inspect the output in a diff-friendly manner so that it's easy to see the changes that occur due to new software versions or randomisation.

:stopwatch: Updated at 2024-02-21 08:27:27 +0000