feat: now can highlight relevant parts of logs

Needs !214 (merged)

To highlight all the logging messages containing the given key do this:

• rust: tlog::highlight_key(log_key, Some(color)).
• lua: picolib.log.highlight_key(log_key, color).

To disable highlight for the given key do this:

• rust: tlog::highlight_key(log_key, None).
• lua: picolib.log.highlight_key(log_key).

To disable highlighting of all keys do this:

• rust: tlog::clear_highlight().
• lua: picolib.log.clear_highlight().

assigned to @gmoshkin

added 7 commits

• 6247b826...5abd0f78 - 4 commits from branch master
• 30253077 - chore: bump tarantool-module version
• 7fb28ea0 - chore: fix clippy warnings
• e1d37df4 - feat: now can highlight relevant parts of logs

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approved this merge request

added 6 commits

• e1d37df4...95124e38 - 4 commits from branch master
• 9724333e - chore: don't ignore result of tarantool::eval
• 18fc88a6 - feat: now can highlight relevant parts of logs

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added 2 commits

• d62238f0 - chore: don't ignore result of tarantool::eval
• 7feea130 - feat: now can highlight relevant parts of logs

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enabled an automatic merge when the pipeline for 7feea130 succeeds

aborted the automatic merge because source branch was updated

added 1 commit

• af776a83 - feat: now can highlight relevant parts of logs

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added 1 commit

• 69f89b4c - feat: now can highlight relevant parts of logs

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enabled an automatic merge when the pipeline for 69f89b4c succeeds

merged