According to Timatic 'passengers are not allowed to transit' and it's been like that since the beginning of the pandemic. Unless it changes before your travel, you would be denied boarding for your flight to MNL.
Thanks for the input, that's what I was worried about. Didn't know about Timatic - appreciate the tip there! Were you able to check this with a full subscription on their website?
https://www.iata.org/en/publications/timatic/