Updated errors.md for sequelize & sequelize-typescript compatibiltiy

[CovertCode]

If user is installing [email protected]+ then user will get error while defining the model. To fix this [email protected] must be installed

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What kind of change does this PR introduce?

• [ ] Bugfix
• [ ] Feature
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• [ ] Refactoring (no functional changes, no api changes)
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What is the current behavior?

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Does this PR introduce a breaking change?

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• [x] No

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