v4.0.0-rc2

Changelog

• b8e1605 test(x/ecocredit): add bridge integration tests (backport #1297) (#1298)
• 75e322e feat(x/ecocredit): default values for new ORM params (#1293) (#1296)
• fb56335 fix(x/ecocredit): improved error for basket queries (#1290) (#1295)
• 936a0a0 fix(types): return nil duration and timestamp (#1292) (#1294)
• 31c1e70 refactor(x/ecocredit): clean up commands and examples (#1288) (#1291)
• 256bc27 fix(x/ecocredit): add basket state migration (backport #1284) (#1287)
• b1c45c6 feat: add issuance date to new credit batches (#1282) (#1286)
• d3d7228 fix(x/ecocredit): basket curator migration (backport #1281) (#1285)
• 7cd4b47 fix(ecocredit): use open field when creating batch (#1278) (#1283)
• 0922d65 feat(ecocredit): add cancel sell-order command (backport #1274) (#1277)