[Snyk] Security upgrade sequelize from 3.35.1 to 6.19.1

[blahtimus]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	863/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 9.4	SQL Injection SNYK-JS-SEQUELIZE-2932027	Yes	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: sequelize

The new version differs by 250 commits.

• 6c5f8ec test: disable mysql/mariadb deadlock test (#14514)
• 87655eb build: fix esdoc (#14513)
• ccaa399 fix: do not replace `:replacements` inside of strings (#14472)
• 5954d2c feat(types): make `Model.init` aware of pre-configured foreign keys (#14370)
• 0d0aade fix(types): make `WhereOptions` more accurate (#14368)
• 7e8b707 docs: restore Model api reference & make fail on error (#14323)
• ca0e017 test: disable deadlock test for mariadb 10.5.15 (#14314)
• 62564f7 docs: fix dead link in API reference (#14313)
• cdc8881 build: remove v6 docs from repository (#14234)
• 730af27 docs: document scope whereMergeStrategy option (#14201)
• 8349c02 feat: add whereScopeStrategy to merge where scopes with Op.and (#14152)
• e974e20 feat(types): make `Model.getAttributes` stricter (#14017)
• 2d339d0 fix: fix typo in query-generator.js error message (#14151)
• b80aeed fix(types): update return type of `Model.update` (#14155)
• f5c06bd feat(types): infer nullable creation attributes as optional (#14147)
• af6cbe6 build(deps): move @ types/validator to prod deps (#14159)
• a81b7ab fix(types): export `GroupedCountResultItem` interface (#14154)
• da8678d fix(types): drop excess argument for upsert (#14156)
• 709c830 docs(postgres): clarify pg version for Node >=14 (#14149)
• 7ac1221 fix(types): update 'replication' option property (#14126)
• 82506a6 fix(postgres): correctly re-acquire connection for pg-native (#14090)
• d23bd7a fix(types): support union in CreationAttributes (#14146)
• 0326c2c fix(types): missing snowflake and db2 dialects (#14137)
• 664bd12 build: generate jsdoc from src instead of lib (#14094) (#14096)

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