feat: add prefetch support to `PuffinFileFooterReader` for reduced I/O time #21481

Job	Run time
Check License Header	1m 18s
Check (windows-2022)	1m 7s
Check typos and docs	8s
Toml Check	1m 18s
Check (ubuntu-20.04)	1m 19s
Build GreptimeDB binaries (ubuntu-20.04)	1m 19s
Build GreptimeDB binary (profile-CI) (ubuntu-20.04)	1m 17s
Clippy	1m 20s
Rustfmt	50s
coverage	1m 15s
Sqlness Test (${{ matrix.mode.name }})	1s
Fuzz Test	1s
Fuzz Test (Distributed, ${{ matrix.mode.name }}, ${{ matrix.target }})	1s
Fuzz Test with Chaos (Distributed, ${{ matrix.mode.name }}, ${{ matrix.target }})	1s
Unstable Fuzz Test	1s
	11m 16s

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