Improve logic of promql/series

[prymitive]

No description provided.

[github-actions]

This pull request was validated by pint.

✔️ No problems found

Stats

Stat	Value
Version	v0.70.0-59-gbd87614
Number of rules parsed	4
Number of rules checked	4
Number of problems found	0
Number of offline checks	0
Number of online checks	0
Checks duration	0

Problems

No problems reported

[github-actions]

Benchmark diff:

goos: linux
goarch: amd64
pkg: github.com/cloudflare/pint/cmd/pint
cpu: AMD EPYC 7763 64-Core Processor                
              │   old.txt   │              new.txt               │
              │   sec/op    │   sec/op     vs base               │
FindEntries-4   39.94m ± 1%   39.86m ± 9%       ~ (p=0.853 n=10)
CheckRules-4     8.513 ± 2%    8.466 ± 2%       ~ (p=0.123 n=10)
geomean         583.1m        581.0m       -0.38%

              │   old.txt    │               new.txt               │
              │     B/op     │     B/op      vs base               │
FindEntries-4   27.40Mi ± 0%   27.40Mi ± 0%       ~ (p=0.075 n=10)
CheckRules-4    977.4Mi ± 0%   973.7Mi ± 0%  -0.39% (p=0.000 n=10)
geomean         163.7Mi        163.3Mi       -0.20%

              │   old.txt   │              new.txt               │
              │  allocs/op  │  allocs/op   vs base               │
FindEntries-4   131.7k ± 0%   131.7k ± 0%       ~ (p=0.133 n=10)
CheckRules-4    14.11M ± 0%   14.03M ± 0%  -0.56% (p=0.000 n=10)
geomean         1.363M        1.360M       -0.28%

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.20%. Comparing base (f02d8df) to head (bd87614).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1279      +/-   ##
==========================================
- Coverage   95.21%   95.20%   -0.02%     
==========================================
  Files         105      105              
  Lines       12813    12839      +26     
==========================================
+ Hits        12200    12223      +23     
- Misses        466      468       +2     
- Partials      147      148       +1     

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