docs: minimum docker engine version

[paolofacchinetti]

Add documentation regarding a minimum Docker Engine version.

Running Reth on an earlier version of Docker Engine causes a panic at startup due to a PermissionDenied error caused by the default Docker seccomp profile not supporting the clone3 syscall.

some more info:

• docker 20.10.10 changelog, added support for clone3 syscall
• thread regarding the issue, with error message

[codecov]

Codecov Report

Merging #3546 (79da606) into main (40f2a51) will decrease coverage by 0.35%.
The diff coverage is n/a.

❗ Current head 79da606 differs from pull request most recent head 3a0335f. Consider uploading reports for the commit 3a0335f to get more accurate results

see 82 files with indirect coverage changes

Flag	Coverage Δ
integration-tests	16.24% <ø> (-0.03%)	⬇️
unit-tests	63.89% <ø> (-0.38%)	⬇️

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

Components	Coverage Δ
reth binary	23.01% <ø> (+<0.01%)	⬆️
blockchain tree	81.25% <ø> (-0.44%)	⬇️
pipeline	86.98% <ø> (-0.91%)	⬇️
storage (db)	73.62% <ø> (-0.55%)	⬇️
trie	95.64% <ø> (+<0.01%)	⬆️
txpool	49.46% <ø> (-1.91%)	⬇️
networking	77.92% <ø> (-0.03%)	⬇️
rpc	57.89% <ø> (-0.25%)	⬇️
consensus	62.58% <ø> (-0.20%)	⬇️
revm	34.99% <ø> (-0.16%)	⬇️
payload builder	6.83% <ø> (ø)
primitives	88.50% <ø> (-0.17%)	⬇️

[onbjerg]

small nit, ty for this, very informative