The text of autolinks should not be searched for regular expression matches

[SamWilsn]

For example:

Full specification: <https://github.com/ethereum/consensus-specs/blob/5d80b1954a4b7a121aa36143d50b366727b66cbc/specs/_features/eip7002/beacon-chain.md>

Generates the following diagnostic:

error[markdown-re-eip-dash]: proposals must be referenced with the form `EIP-N` (not `EIPN` or `EIP N`)
   --> EIPS/eip-7002.md
    |
535 | Full specification: <https://github.com/ethereum/consensus-specs/blob/5d80b1954a4b7a121aa36143d50b366727b66cbc/specs/_features/eip7002/beacon-chain.md> 
    |
    = info: the pattern in question: `(?i)eip[\s]*[0-9]+`
    = help: see https://ethereum.github.io/eipw/markdown-re-eip-dash/

Reported by @lightclient in this run on this PR.