refactor: replace linkify-markdown

[viceice]

Changes:

Removes linkify-markdown to fix GHSA-w5p7-h5w8-2hfq. Also allows us to use newer remark and remark-github.

Not sure why there are snapshot changes. 😕

Context:

Documentation (please check one with an [x])

• I have updated the documentation, or
• No documentation update is required

How I've tested my work (please tick one)

I have verified these changes via:

• Code inspection only, or
• Newly added unit tests, or
• No new tests but ran on a real repository, or
• Both unit tests + ran on a real repository

[viceice]

remark-github github has now build-in types 🎉

remarkjs/remark-github#29

[viceice]

Ready for another review. package patching no longer nessesary. 🎉

[rarkins]

Can we run it on our example repos to see if/how it changes markdown compared to the existing solution?

[viceice]

Can we run it on our example repos to see if/how it changes markdown compared to the existing solution?

this pr: https://github.com/viceice-tests/renovate-changelog1

current main: https://github.com/viceice-tests/renovate-changelog2

They look same to me. Any other dependency to add and check?

[renovate-release]

🎉 This PR is included in version 25.21.14 🎉

The release is available on:

• GitHub release
• 25.21.14

Your semantic-release bot 📦🚀