Fix no attribute decode with python3

Distributed DDL improvements

Add optimize_skip_unused_shards_limit

case insensitive aliases for CONNECTION_ID() and VERSION()

Prevent busy waiting in hedged requests when async_socket_for_remote=0

Fix macOS shared lib build

Change behaviour of `toStartOfInterval` in backward incompatible way

Add suffixes for dockerfile arguments

Add possibility to customize the source for clickhouse-server docker image builds.

Introduce 2 arguments for clickhouse-server image Dockerfile:
deb_location & single_binary_location

That enables to build docker images from CI build easily, also for non-standard
builds (with sanitizers / for arm64 etc).

Refactoring of data types serialization

Fix docker entrypoint in case http_port is not in the config

Remove unknown columns from joined table in where for queries to external database engines

Fix build error

DOCSUP-7105: LIVE VIEW and settings.md changes translated

stable formatting for negate()

Fix query cancellation with use_hedged_requests=0 and async_socket_for_remote=1

update translations for tips.md and two title names

Co-authored-by: NAlexander Kuzmenkov <36882414+akuzm@users.noreply.github.com>