[WIP] Bumping @hapi/joi to ^15.1.1 - Automatic Test Passing - Manual Not tested yet.

[andreasmarkussen]

Check List

• Tests has been run in packages where changes made if available
• Linter has been run for changed code
• Tests for the changes have been added if not covered yet
• Docs have been added / updated if required

Issue Reference this PR resolves
[bump version numbers - @hapi/joi@14.5.0, @hapi/hoek@6.2.4 et. al. #411]
(#411)

Description of Changes Made (if issue reference is not provided)

• Only one version updated so far but so many others are potential.

[andreasmarkussen]

Many of the tests reported this actual error.

TypeError: Joi.validate is not a function
    at CubeValidator.validate (/home/circleci/repo/packages/cubejs-schema-compiler/compiler/CubeValidator.js:215:9)
    at cubeSymbols.cubeList.map (/home/circleci/repo/packages/cubejs-schema-compiler/compiler/CubeValidator.js:210:19)
    at Array.map (<anonymous>)

The joi.version changed in version 16.x so I will check version 15.1.1
https://hapi.dev/family/joi/changelog/

[paveltiunov]

@andreasmarkussen Hey Andreas! Thanks for contributing this one! Bothered us for a while.

[paveltiunov]

@andreasmarkussen Would love if you can bump all the places in the project.