Bump coverage[toml] from 7.9.1 to 7.9.2 (#2373)

Bumps [coverage[toml]](https://github.com/nedbat/coveragepy) from 7.9.1 to 7.9.2.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.9.1...7.9.2)

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Author: dependabot[bot]

changes/2373.misc.rst

@@ -0,0 +1 @@
+Updated coverage[toml] from 7.9.1 to 7.9.2.

pyproject.toml

@@ -99,7 +99,7 @@ dependencies = [
 # Extras used by developers *of* briefcase are pinned to specific versions to
 # ensure environment consistency.
 dev = [
-    "coverage[toml] == 7.9.1",
+    "coverage[toml] == 7.9.2",
     "coverage-conditional-plugin == 0.9.0",
     "pre-commit == 4.2.0",
     "pytest == 8.4.1",