Update submodules:

• balance_tracker: update-submodules-for-1.27.7rc11 (765abb25b468cf381f3016841c20209aec1ef796)
• HAfAH: update-submodules-for-1.27.7rc11 (8886802eb25ec7f8e74869efc227fe997517feaa)
• haf: update-submodules-for-1.27.7rc11 (2bcd0f8938dc574fd63a482ac7242499adf985c1)
• reputation_tracker: update-submodules-for-1.27.7rc11 (42cb5efcbea9779fc0a5938ab4f76ec76188a196)