feat: support filter expression in PromQL

[waynexia]

I hereby agree to the terms of the GreptimeDB CLA

What's changed and what's your intention?

support filter expression like some_metric > 1.2345 in PromQL.

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)

#1042

[codecov]

Codecov Report

Merging #1066 (1704168) into develop (2df8143) will increase coverage by 0.03%.
The diff coverage is 91.22%.

@@             Coverage Diff             @@
##           develop    #1066      +/-   ##
===========================================
+ Coverage    85.70%   85.73%   +0.03%     
===========================================
  Files          450      450              
  Lines        65736    65789      +53     
===========================================
+ Hits         56338    56407      +69     
+ Misses        9398     9382      -16     

Flag	Coverage Δ
rust	85.73% <91.22%> (+0.03%)	⬆️

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

Impacted Files	Coverage Δ
src/promql/src/planner.rs	88.53% <91.22%> (+0.25%)	⬆️
src/object-store/src/test_util.rs	0.00% <0.00%> (-100.00%)	⬇️
src/datanode/src/instance.rs	43.77% <0.00%> (-14.34%)	⬇️
tests-integration/src/test_util.rs	79.16% <0.00%> (-9.47%)	⬇️
src/frontend/src/table/scan.rs	85.18% <0.00%> (-5.56%)	⬇️
src/servers/src/auth/user_provider.rs	81.81% <0.00%> (-2.28%)	⬇️
src/common/substrait/src/df_logical.rs	77.02% <0.00%> (-0.88%)	⬇️
src/servers/src/mysql/handler.rs	67.40% <0.00%> (-0.75%)	⬇️
src/servers/src/postgres/handler.rs	78.59% <0.00%> (-0.19%)	⬇️
src/table/src/requests.rs	85.43% <0.00%> (ø)
... and 6 more

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[evenyag]

LGTM