v4.0.0

What's Changed

• chore: clarify migration steps in changelog by @porcellus in #99
• chore: drop default value after migration in the changelog by @porcellus in #100
• feat: Multi tenant user pool by @rishabhpoddar in #57
• fix: create database for cicd by @sattvikc in #113
• fix: updated migration script by @sattvikc in #114
• fix: test fixes by @sattvikc in #115
• fix: increased retry count by @sattvikc in #117
• fix: deadlock by @sattvikc in #118
• fix: exponential backoff in transaction retry by @sattvikc in #119
• fix: saas secret test by @sattvikc in #120
• fix: appid fkey test by @sattvikc in #121
• fix: remove instance in close by @sattvikc in #122
• fix: hikari logging by @sattvikc in #124
• fix: Config normalisation by @sattvikc in #125
• fix: Hikari logging by @sattvikc in #126
• fix: missed commit from previous PR by @sattvikc in #127
• fix: Test fixes by @sattvikc in #128
• fix: test by @sattvikc in #129
• fix: main thread fix by @sattvikc in #130
• fix: logging fix by @sattvikc in #131
• fix: main thread fix by @sattvikc in #132

Full Changelog: v3.0.0...v4.0.0