CodeChecker version output is invalid in JSON format

[csordasmarton]

CodeChecker version -o json command output is an invalid JSON:

CodeChecker analyzer version:
{"Base package version": "6.19.0", "Package build date": "2021-12-11T10:47", "Git commit ID (hash)": "ed16b5d58f75002b465ea0944be0abf071f0b958", "Git tag information": "6.19"}

CodeChecker web version:
{"Base package version": "6.19.0", "Package build date": "2021-12-11T10:47", "Git commit ID (hash)": "ed16b5d58f75002b465ea0944be0abf071f0b958", "Git tag information": "6.19", "Server supported API (Thrift)": ["6.47"], "Client API (Thrift)": "6.47"}