Bump the all group in /dependabot with 2 updates

Bumps the all group in /dependabot with 2 updates: [bcrypt](https://github.com/pyca/bcrypt) and [coverage](https://github.com/nedbat/coveragepy).


Updates `bcrypt` from 4.2.0 to 4.2.1
- [Changelog](https://github.com/pyca/bcrypt/blob/main/release.py)
- [Commits](pyca/bcrypt@4.2.0...4.2.1)

Updates `coverage` from 7.6.7 to 7.6.8
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.7...7.6.8)

---
updated-dependencies:
- dependency-name: bcrypt
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all
- dependency-name: coverage
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all
...

Signed-off-by: dependabot[bot] <support@github.com>

dependabot/requirements.txt

@@ -66,7 +66,7 @@ BTrees==6.1
 RestrictedPython==7.4
 ZConfig==4.1
 ZODB==6.0
-bcrypt==4.2.0
+bcrypt==4.2.1
 cffi==1.17.1
 multipart==1.1.0
 persistent==6.1
@@ -77,7 +77,7 @@ transaction==5.0
 zc.lockfile==3.0.post1
 zodbpickle==4.1.1
 six==1.16.0
-coverage==7.6.7
+coverage==7.6.8
 manuel==1.13.0
 collective.recipe.cmd==0.11
 mr.developer==2.0.2