Bitgreen v1.4.0

What's Changed

• [fix] Ensure buyOrderByUser is updated when buy order filled by @abhath-labs in #240
• [feat] add retirement reason by @abhath-labs in #242
• General storage pallet by @abhath-labs in #243
• Minor fixes by @abhath-labs in #244
• fix: Implement review fixes by @abhath-labs in #245
• feat: retire purchased credits if payment is stripe by @abhath-labs in #246
• Fix audit changes by @abhath-labs in #247
• Update testnet artifacts by @abhath-labs in #249
• feat: test data generator by @abhath-labs in #250
• feat : Add project type by @abhath-labs in #251
• feat : Upgrade deps to polkadot v1.1.0 by @abhath-labs in #252
• Update testnet artifacts by @abhath-labs in #256
• [fix] Fix mint types by @abhath-labs in #257
• feat: add asset_type for buyOrder by @abhath-labs in #258
• release v1.4.0 by @abhath-labs in #259

Full Changelog: v1.2.1...v1.4.0