message: Fix 0.21.0 release note to specify correct option BIP 157 support
diff: @@ -100,7 +100,7 @@ P2P and network changes
  - This release adds support for serving
  [BIP157](https://github.com/bitcoin/bips/blob/master/bip-0157.mediawiki) compact
  filters to peers on the network when enabled using
  - `-blockfilterindex=1 -peercfilters=1`. (#16442)
  + `-blockfilterindex=1 -peerblockfilters=1`. (#16442)
  - This release adds support for signets
  ([BIP325](https://github.com/bitcoin/bips/blob/master/bip-0325.mediawiki)) in
  