snapcraft: port to core22

[lidaobing]

Summary by Sourcery

Build:

• Update the snapcraft base to core22 and the gnome extension from gnome-3-38 to gnome. Update the libjsoncpp1 stage package to libjsoncpp25 and add libunwind8 to all architectures, removing the s390x workaround

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request ports the snapcraft.yaml configuration to core22. This involves updating the base from core20 to core22, updating the gnome extension, updating libjsoncpp, and removing the try conditional for libunwind8.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Update base from core20 to core22.	Update base from core20 to core22.	snap/snapcraft.yaml
Update gnome extension.	Update gnome extension from gnome-3-38 to gnome.	snap/snapcraft.yaml
Update libjsoncpp.	Update libjsoncpp from libjsoncpp1 to libjsoncpp25.	snap/snapcraft.yaml
Remove try conditional for libunwind8.	Remove try conditional for libunwind8.	snap/snapcraft.yaml

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[sourcery-ai]

Hey @lidaobing - I've reviewed your changes - here's some feedback:

Overall Comments:

• It's great to see the move to core22, but make sure to test thoroughly for any regressions.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.54%. Comparing base (9adbf69) to head (8f3e96e).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #664   +/-   ##
=======================================
  Coverage   52.54%   52.54%           
=======================================
  Files          64       64           
  Lines        8579     8579           
=======================================
  Hits         4508     4508           
  Misses       4071     4071           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.