config: Add lint C13 for _this call in config text

[PabstMirror]

requires the hints_and_notes change from #909

help[L-C13]: Unnecessary `_this` in `call`
   ┌─ addons/main/config.cpp:10:14
   │
10 │ statement = "_this call f;";
   │              ^^^^^^^^^^^^^
   │
   = note: `call` inherits `_this` from the calling scope
   = help: Remove `_this` from the call

[codecov]

Codecov Report

Attention: Patch coverage is 6.06061% with 93 lines in your changes missing coverage. Please review.

Project coverage is 67.2%. Comparing base (3cc1193) to head (5063645).
Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
...s/config/src/analyze/lints/c13_config_this_call.rs	6.0%	93 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
...s/config/src/analyze/lints/c13_config_this_call.rs	6.0% <6.0%> (ø)

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