CI: correct codecov configuration syntax

Following the [documentation][1], this is clearly intended to be the
[`coverage` section][2]. The file is now valid [as per the codecov
API][3].

[1]: https://docs.codecov.com/docs/codecovyml-reference
[2]: https://docs.codecov.com/docs/codecovyml-reference#coverage
[3]: https://docs.codecov.com/docs/codecov-yaml#validate-your-repository-yaml

CHANGELOG.md

@@ -30,6 +30,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Misc
 
 - Continuation of testing the `pueue` client, pushing the test coverage from ~70% to ~73%.
+- A codecov.yml syntax error was corrected, which prevented Codecov from applying the
+  repository-specific configuration.
 
 ## [2.1.0] - 2022-07-21
 

codecov.yml

@@ -10,7 +10,7 @@ ignore:
   - ".github"
   - ".gitignore"
 
-codecov:
+coverage:
   status:
     project:
       default: