Better exception about reaching the memory threshold during inserts

[ylw510]

Changelog category (leave one):

• Not for changelog (changelog entry is not required)

Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):

Documentation entry for user-facing changes

• Documentation is written (mandatory for new features)

[clickhouse-gh]

Workflow [PR], commit [723c609]

Summary: ✅

[alexey-milovidov]

@yariks5s, change the PR title and add the information where the threshold can be configured.
Edit the message to sound better, e.g.: The amount of free space ({}) on disk {} is less than the configured threshold ({}). The threshold can be configured by ... The total disk capacity is {}.

[ylw510]

@yariks5s, change the PR title and add the information where the threshold can be configured. Edit the message to sound better, e.g.: The amount of free space ({}) on disk {} is less than the configured threshold ({}). The threshold can be configured by ... The total disk capacity is {}.

done!