v0.1.0-alpha30

What's Changed

• chore: build-system submodule=>subrepo by @ludamad in #1378
• chore: update pull request template by @ludamad in #1379
• git subrepo pull (merge) circuits/cpp/barretenberg by @ludamad in #1380
• Fix noir ecdsa verification in acc contract. by @suyash67 in #1345
• feat(aztec-js): tx.wait waits for rpc to be synced by @spalladino in #1381
• generate constants.sol from c++ constants by @rahul-kothari in #1374
• feat: Initial cheatcode loadPublic by @LHerskind in #1353
• fix(noir-ci): reinstate artifact builds by @Maddiaa0 in #1396

Full Changelog: v0.1.0-alpha29...v0.1.0-alpha30