Log Message:
postgresql-timescaledb: update to 2.6.1

4121 Fix RENAME TO/SET SCHEMA on distributed hypertable
4122 Fix segfault on INSERT into distributed hypertable
4142 Ignore invalid relid when deleting hypertable
4159 Fix ADD COLUMN IF NOT EXISTS error on compressed hypertable
4161 Fix memory handling during scans
4176 Fix remote EXPLAIN with parameterized queries
4181 Fix spelling errors and omissions
4186 Fix owner change for distributed hypertable
4192 Abort sessions after extension reload
4193 Fix relcache callback handling causing crashes
4199 Remove signal-unsafe calls from signal handlers
4219 Do not modify aggregation state in finalize