Fix #220

[beojan]

Fixes issue #220 by special casing plain char in type_id. It is now considered equivalent to signed char even on ARM platforms where it is actually unsigned.

[beojan]

@phlexbot format

[github-actions]

Automatic clang-format fixes pushed (commit d23f1bc).
⚠️ Note: Some issues may require manual review and fixing.

[github-actions]

No automatic cmake-format fixes were necessary.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

❌ Your project status has failed because the head coverage (76.76%) is below the target coverage (80.00%). You can increase the head coverage or adjust the target coverage.

@@            Coverage Diff             @@
##             main     #241      +/-   ##
==========================================
+ Coverage   76.25%   76.76%   +0.51%     
==========================================
  Files         124      124              
  Lines        2733     2733              
  Branches      475      475              
==========================================
+ Hits         2084     2098      +14     
+ Misses        452      445       -7     
+ Partials      197      190       -7     

Flag	Coverage Δ
unittests	76.76% <ø> (+0.51%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
phlex/model/type_id.hpp	92.77% <ø> (ø)

... and 6 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7f1168a...d23f1bc. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.