PR #109074 - settings,*: give better names to certain settings

[cockroach-teamcity]

Exalate commented:

Related PR: cockroachdb/cockroach#109074
Commit: cockroachdb/cockroach@f3cf1e7
Epic: CRDB-28893
Fixes: CRDB-30749

---

Release note (cli change): The following user-visible cluster settings
have been renamed. The previous name is still available for backward
compatibility.

Previous name	New name
server.web_session_timeout	server.web_session.timeout
kv.closed_timestamp.follower_reads_enabled	kv.closed_timestamp.follower_reads.enabled
kv.range_split.by_load_enabled	kv.range_split.by_load.enabled
changefeed.balance_range_distribution.enable	changefeed.balance_range_distribution.enabled
changefeed.batch_reduction_retry_enabled	changefeed.batch_reduction_retry.enabled
server.clock.forward_jump_check_enabled	server.clock.forward_jump_check.enabled
server.oidc_authentication.autologin	server.oidc_authentication.autologin.enabled
sql.metrics.statement_details.dump_to_logs	sql.metrics.statement_details.dump_to_logs.enabled
sql.trace.log_statement_execute	sql.log.all_statements.enabled
trace.debug.enable	trace.http_debug_endpoint.enabled

Jira Issue: DOC-8614