Update submodules:

• balance_tracker: update-submodules-for-1.27.7rc14 (12749b0e83f569b09714e7857dd602eb00f084cc)
• HAfAH: update-submodules-for-1.27.7rc14 (12df3e69bbadae55448ab5846c06739c1c845f9a)
• haf: update-submodules-for-1.27.7rc14 (f726a409349ebecb182e9507b8d71ce587e186d3)
• reputation_tracker: update-submodules-for-1.27.7rc14 (473451b03225781fbe3248f000fe4ac66f4fa3e0)