Bump h11 from 0.14.0 to 0.16.0 #1294

Job	Run time
MySQL tests / Run MySQL tests	8m 8s
Clickhouse tests / Run Clickhouse tests	8m 32s
Oracle tests / Run Oracle tests	8m 11s
HDFS tests / Run HDFS tests	11m 31s
S3 tests / Run S3 tests	8m 51s
Hive tests / Run Hive tests	4m 40s
SFTP tests / Run SFTP tests	8m 26s
FTPS tests / Run FTPS tests	8m 0s
WebDAV tests / Run WebDAV tests	7m 52s
FTP tests / Run FTP tests	7m 10s
Unit tests / Run unit tests	11m 9s
Scheduler tests / Run Scheduler tests	2m 24s
Samba tests / Run Samba tests	7m 40s
MSSQL tests / Run MSSQL tests	5m 14s
Tests done	19s
	1h 48m 7s

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