1.1.0

• feat: support body_canon=simple or relaxed
• feat: add ed25519 validation
• test: if opendkim installed, round trip test against it
• fix: don't allow rsa-sha1, RFC 8301 3.2
• fix: don't allow subsequent fail to overwrite a pass
• fix: don't discard valid signatures when DNS has > 1 accepable hash
• fix: don't truncate DNS p= value, may have base64 = padding
• fix: enforce DNS record uniquenes per RFC 6376 3.6.2.2
• fix: correctly handle header canonicalization ws
• fix: corrected simple body canonicalization for empty bodies
• fix: correct a flawed suffix check
• deps: bump all to latest