⬆️ Update coverage requirement from ~=5.0 to ~=7.3

Updates the requirements on [coverage](https://github.com/nedbat/coveragepy) to permit the latest version.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@coverage-5.0...7.3.2)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -45,7 +45,7 @@ testing = [
   "pytest-cov",
   "pytest-regressions",
   "ipykernel",
-  "coverage~=5.0",
+  "coverage~=7.3",
   "black==23.11.0",
   "beautifulsoup4==4.12.2",
 ]
@@ -58,7 +58,7 @@ docs = [
   "pyyaml",
   "sphinx-book-theme~=1.0.1",
   "myst-nb~=1.0",
-  "coverage~=5.0",
+  "coverage~=7.3",
   "pytest-cov",
   "black",
 ]