Update certomancer requirement from ==0.11.* to >=0.11,<0.13

Updates the requirements on [certomancer](https://github.com/MatthiasValvekens/certomancer) to permit the latest version.
- [Release notes](https://github.com/MatthiasValvekens/certomancer/releases)
- [Commits](MatthiasValvekens/certomancer@v0.11.0...v0.12.0)

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

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

pyproject.toml

@@ -80,7 +80,7 @@ testing-basic = [
     "requests-mock>=1.8.0",
     "freezegun>=1.1.0",
     "pytest-asyncio==0.23.5.post1",
-    "certomancer==0.11.*",
+    "certomancer>=0.11,<0.13",
     "pytest-cov>=4.0,<4.2",
     "backports.zoneinfo[tzdata];python_version<\"3.9\"",
 ]