chore: versions & changelog for release 4 (backport #787) (#788)

ci: fix release schema build

ci: schema generation changes

Fix: Instantiate 2 address length (#467)

* fix: instantiate2 injective error

* Bump version for app-contract and app-package

Fix: Instantiate 2 address length (#467)

* fix: instantiate2 injective error

* Bump version for app-contract and app-package

test: 🐛 Fixed failing cw20 staking integration test

test: 🐛 Fixed failing cw20 staking integration test