Tags

* Features
  - Add possibility to read QoS values from file
* Fixes
  - Fix HTTP/2 server shutdown
  - Use new FlowDirection fix
* Tech Debt
  - Stopping support for RHEL8/Rocky8 in favor of RHEL9/Rocky9
  - HTTP client cpr library refactoring effort
  - Resynch PCF with common source git-submodule and use utils from there

* Features
  - Support YAML configuration file
    * Yaml validation default value
  - Add support for traffic steering rules
  - Add support for redirection rules
* Fixes
  - Handling boolean values in yaml parsing for policies
* Tech debt
  - Updated common models to 3GPP TS 29.571 Release 16.13.0 and moved them to the shared common submodule
  - Updated PCF models to Release 16.17.0 and moved them to the shared common submodule
  - Switching to clang-format-12
  - Published image on Docker-Hub is using now Ubuntu-22 as base image
    * Ubuntu-18 is no longer supported