* commit 'dc80a0762':
1.16.0rc1
Back out MSC2625 implementation (#7761)
Additional configuration options for auto-join rooms (#7763)
Add some metrics for inbound and outbound federation processing times (#7755)
Explain the purpose of the "tests" conditional dependency requirement (#7751)
Add another yield point to state res v2 (#7746)
Move flake8 to end. Don't exit script on failure (#7738)
Make tox actions work on Debian 10 (#7703)
Yield during large v2 state res. (#7735)
add org.matrix.login.jwt so that m.login.jwt can be deprecated (#7675)
Set Content-Length for Metrics requests (#7730)
Sync ignored table names in synapse_port_db to current database schema (#7717)
Allow local media to be marked as safe from being quarantined. (#7718)
Convert directory handler to async/await (#7727)
Speed up state res v2 across large state differences. (#7725)