fix(deps): update dependency coverage to v7.13.4

Author: renovate[bot]

pyproject.toml

@@ -34,7 +34,7 @@ full = [
 dev = [
     "canonical-sphinx[full]",
     "build",
-    "coverage[toml]==7.6.1",
+    "coverage[toml]==7.13.4",
     "pytest==8.3.2",
     "pytest-cov==5.0.0",
     "pytest-mock==3.14.0",