feat: compaction scheduler and rate limiter

[v0y4g3r]

I hereby agree to the terms of the GreptimeDB CLA

What's changed and what's your intention?

This is the first part of work towards table compaction which contains:

• table compaction scheduler that polls and executes table compaction requests in a FIFO manner
• rate limiter framework to limit the resources used by compaction tasks;
  • currently it only limits the max concurrently running tasks number
• compaction strategy (Picker) part is still working, but the tests involves the trait so a primitive trait is defined, but it's not the final trait definition.

Checklist

• I have written the necessary rustdoc comments.
• I have added the necessary unit tests and integration tests.

Refer to a related PR or issue link (optional)

[codecov]

Codecov Report

Merging #947 (a4fb5ab) into develop (4ae63b7) will increase coverage by 0.17%.
The diff coverage is 91.88%.

@@             Coverage Diff             @@
##           develop     #947      +/-   ##
===========================================
+ Coverage    85.79%   85.96%   +0.17%     
===========================================
  Files          443      455      +12     
  Lines        59427    61039    +1612     
===========================================
+ Hits         50984    52474    +1490     
- Misses        8443     8565     +122     

Flag	Coverage Δ
rust	85.96% <91.88%> (+0.17%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/storage/src/error.rs	86.48% <0.00%> (-2.41%)	⬇️
src/storage/src/lib.rs	100.00% <ø> (ø)
src/storage/src/compaction/picker.rs	60.00% <60.00%> (ø)
src/storage/src/compaction/task.rs	72.72% <72.72%> (ø)
src/storage/src/compaction/dedup_deque.rs	83.33% <83.33%> (ø)
src/storage/src/compaction/scheduler.rs	93.85% <93.85%> (ø)
src/storage/src/compaction/rate_limit.rs	100.00% <100.00%> (ø)
src/object-store/src/test_util.rs	0.00% <0.00%> (-100.00%)	⬇️
src/meta-srv/src/selector/load_based.rs	28.07% <0.00%> (-49.63%)	⬇️
src/sql/src/statements/create.rs	75.00% <0.00%> (-25.00%)	⬇️
... and 85 more

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[killme2008]

LGTM

[fengjiachun]

LGTM