ci: Downgrade build runner to use Ubuntu 22.04

[abc1763613206]

This might solve the issue of the GLIBC version being too high.

fixes #276

---

Test build: https://github.com/abc1763613206/rune/actions/runs/17393055021

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Downgrades the GitHub Actions build runner to Ubuntu 22.04 to resolve GLIBC version compatibility issues.

File-Level Changes

Change	Details	Files
Downgrade CI build runner OS version to Ubuntu 22.04	Replace runs-on label in build-linux job from ubuntu-latest to ubuntu-22.04	.github/workflows/build.yml

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#276	Ensure that the Linux build of the program is compatible with Debian Bookworm by using a GLIBC version no higher than 2.36.	✅

---

Tips and commands

Interacting with Sourcery

• Trigger a new review: Comment @sourcery-ai review on the pull request.
• Continue discussions: Reply directly to Sourcery's review comments.
• Generate a GitHub issue from a review comment: Ask Sourcery to create an
  issue from a review comment by replying to it. You can also reply to a
  review comment with @sourcery-ai issue to create an issue from it.
• Generate a pull request title: Write @sourcery-ai anywhere in the pull
  request title to generate a title at any time. You can also comment
  @sourcery-ai title on the pull request to (re-)generate the title at any time.
• Generate a pull request summary: Write @sourcery-ai summary anywhere in
  the pull request body to generate a PR summary at any time exactly where you
  want it. You can also comment @sourcery-ai summary on the pull request to
  (re-)generate the summary at any time.
• Generate reviewer's guide: Comment @sourcery-ai guide on the pull
  request to (re-)generate the reviewer's guide at any time.
• Resolve all Sourcery comments: Comment @sourcery-ai resolve on the
  pull request to resolve all Sourcery comments. Useful if you've already
  addressed all the comments and don't want to see them anymore.
• Dismiss all Sourcery reviews: Comment @sourcery-ai dismiss on the pull
  request to dismiss all existing Sourcery reviews. Especially useful if you
  want to start fresh with a new review - don't forget to comment
  @sourcery-ai review to trigger a new review!

Customizing Your Experience

Access your dashboard to:

• Enable or disable review features such as the Sourcery-generated pull request
  summary, the reviewer's guide, and others.
• Change the review language.
• Add, remove or edit custom review instructions.
• Adjust other review settings.

Getting Help

• Contact our support team for questions or feedback.
• Visit our documentation for detailed guides and information.
• Keep in touch with the Sourcery team by following us on X/Twitter, LinkedIn or GitHub.

[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

---

Sourcery is free for open source - if you like our reviews please consider sharing them ✨

• X
• Mastodon
• LinkedIn
• Facebook

_{Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.}

[abc1763613206]

@Losses You should consider pushing a minor update to the v1 branch as needed, theoretically only for the non-Steam version (since I assume Steam's container wouldn't be affected by this).