Support multiple results comparison in benchmark scripts

[Eason0729]

Which issue does this PR close?

Close #13446

Rationale for this change

It would be useful to display the difference among multiple benchmark runs.

See issue.

What changes are included in this PR?

I modify bench.sh and compare.py to accept multiple arguments

Are these changes tested?

Are there any user-facing changes?

No.

[Eason0729]

I spent some time trying to make it(compare.py) more readable, and I ended up with original code.
Let me know if there is a better way to do this.

Anyway, I thinks it ready for review.

[alamb]

Thanks @Eason0729 -- is there any chance you can post an example output after this change?

[Eason0729]

Thanks @Eason0729 -- is there any chance you can post an example output after this change?

../bench.sh compare main main2 main3
Comparing main2 main3 to main
┏━━━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━┓
┃ Query        ┃       main ┃      main2 ┃ Change on main2 ┃      main3 ┃ Change on main3 ┃
┡━━━━━━━━━━━━━━╇━━━━━━━━━━━━╇━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━┩
│ Qsort utf8   │ 25191.05ms │ 25191.05ms │       no change │ 25191.05ms │       no change │
│ Qsort int    │ 30908.16ms │ 30908.16ms │       no change │ 40908.16ms │    1.32x slower │
│ Qsort        │ 25652.09ms │ 25652.09ms │       no change │ 25652.09ms │       no change │
│ decimal      │            │            │                 │            │                 │
│ Qsort        │ 32701.67ms │ 32701.67ms │       no change │ 32701.67ms │       no change │
│ integer      │            │            │                 │            │                 │
│ tuple        │            │            │                 │            │                 │
│ Qsort utf8   │ 25588.63ms │ 25588.63ms │       no change │ 25588.63ms │       no change │
│ tuple        │            │            │                 │            │                 │
│ Qsort mixed  │ 29063.22ms │ 29063.22ms │       no change │ 29063.22ms │       no change │
│ tuple        │            │            │                 │            │                 │
└──────────────┴────────────┴────────────┴─────────────────┴────────────┴─────────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━┓
┃ Benchmark Summary              ┃             ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━┩
│ Total Time (main)              │ 169104.82ms │
│ Average Time (main)            │  28184.14ms │
│ Total Time (main2)             │ 169104.82ms │
│ Average Time (main2)           │  28184.14ms │
│ Queries Faster (main2)         │           0 │
│ Queries Slower (main2)         │           0 │
│ Queries with No Change (main2) │           6 │
│ Total Time (main3)             │ 179104.82ms │
│ Average Time (main3)           │  29850.80ms │
│ Queries Faster (main3)         │           0 │
│ Queries Slower (main3)         │           1 │
│ Queries with No Change (main3) │           5 │
└────────────────────────────────┴─────────────┘

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