gpg 8.10.5 not signed with gpg keyid 97db64ad
gpg 8.10.5 (and its testsuite) are not signed with gpg keyid 97db64ad, per https://www.haskell.org/ghc/download_ghc_8_10_5.html and previous releases.
Rather, it is signed with keyid 588764FBE22D19C4
:
gpg -vv ghc-8.10.5-x86_64-apple-darwin.tar.xz.sig
gpg: WARNING: no command supplied. Trying to guess what you mean ...
# off=0 ctb=89 tag=2 hlen=3 plen=435
:signature packet: algo 1, keyid 588764FBE22D19C4
version 4, created 1622936445, md5len 0, sigclass 0x00
digest algo 8, begin of digest 5b b9
hashed subpkt 33 len 21 (issuer fpr v4 88B57FCF7DB53B4DB3BFA4B1588764FBE22D19C4)
hashed subpkt 2 len 4 (sig created 2021-06-05)
subpkt 16 len 8 (issuer key ID 588764FBE22D19C4)
data: [3065 bits]
gpg: assuming signed data in 'ghc-8.10.5-x86_64-apple-darwin.tar.xz'
gpg: Signature made Sat Jun 5 19:40:45 2021 EDT
gpg: using RSA key 88B57FCF7DB53B4DB3BFA4B1588764FBE22D19C4
gpg: Can't check signature: No public key
This keyid doesn't appear at http://pgp.mit.edu/pks/lookup?search=588764FBE22D19C4 or http://keys.gnupg.net/pks/lookup?search=588764FBE22D19C4
Please advise.