v3.0.3

v3.0.3 Release

Update table with new Secret size attack
update repo README with changelog and in-document references
New Category: Interchain, id: 006
Update package manifest
Provide attribution to the canonical example of the Secret Size Attack:

Advisory: secret size attack on cross-chain hash lock smart contracts, (accessed, August 23, 2022)
Attribution: Mark B Lundeberg
username: @markblundeberg
link: https://gist.github.com/markblundeberg/7a932c98179de2190049f5823907c016

Release Notes

• feat(attack): Secret Size Attack by @sambacha in #16

Full Changelog: v3.0.2...v3.0.3