feat(mojaloop/#3139)!: rework config to accept env variables for DB

[kleyow]

feat(mojaloop/#3139): rework config to accept env variables for DB - https://github.com/mojaloop/project/issues/3139

• Update db connection config to be set with ENV variables
• Update to new auditing library and flow
• Resolve jest upgrades. It was the main solution to errors I was facing with axios and hapi dependency bumps.
• Change database connection config to object instead of object | string. We used 'memory' for sqllite for testing which took a string but now it can take an object.
• Update dependencies

[kleyow]

@mdebarros addressed comments.

[mdebarros]

@mdebarros addressed comments.

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