Update conan requirement from <2.1,>=1.48 to >=1.48,<2.2

Updates the requirements on [conan](https://github.com/conan-io/conan) to permit the latest version.
- [Release notes](https://github.com/conan-io/conan/releases)
- [Commits](conan-io/conan@1.48.0...2.1.0)

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

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

setup.py

@@ -32,7 +32,7 @@
     print(f"Using Conan version {conan_major_version} from spec: {conan_version_env}")
 
 # What packages are required for this module to be executed?
-conan_req_spec = "conan>=1.48, <2.1"
+conan_req_spec = "conan>=1.48, <2.2"
 if conan_major_version == "1":
     conan_req_spec = "conan>=1.48, <2.0"
 if conan_major_version == "2":