fix link to code handout

[zkamvar]

Coming from #869 (comment), I'm getting messages from other people that this link is broken.

This pr will fix the link in the text.

[github-actions]

Thank you!

Thank you for your pull request 😃

🤖 This automated message can help you check the rendered files in your submission for clarity. If you have any questions, please feel free to open an issue in {sandpaper}.

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
• ‼️ new errors

Rendered Changes

🔍 Inspect the changes: https://github.com/datacarpentry/R-ecology-lesson/compare/md-outputs..md-outputs-PR-871

The following changes were observed in the rendered markdown documents:

 00-before-we-start.md |    4 +-
 config.yaml (new)     |   86 +++
 md5sum.txt            |    2 +-
 renv.lock (new)       | 1575 +++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 1664 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.

⏱️ Updated at 2023-08-18 17:35:51 +0000

[tobyhodges]

This is an uncontroversial bugfix, so I am going ahead and merging

[tobyhodges]

Thanks @zkamvar 🙌