"sonar.cfamily.cache.enabled" and "sonar.cfamily.cache.path" properties are deprecated

[abitmore]

Getting a warning when running the Sonar-Scan workflow in Github Actions CI (see https://github.com/bitshares/bitshares-core/actions/runs/4505996679/jobs/7932324828):

WARN:
"sonar.cfamily.cache.enabled" and "sonar.cfamily.cache.path" properties are deprecated.
Visit the documentation page for more information about analysis cache configuration
https://docs.sonarcloud.io/advanced-setup/languages/c-c-objective-c/

Note:

• Fix FC too
  • Improve safe<T> bitshares-fc#248
  • Use gcovr to process code coverage data #2739

[abitmore]

Fixed by #2736, #2737 and #2739.