Update dependency verdaccio-memory to v9

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
verdaccio-memory (source)	devDependencies	major	^8.4.2 -> ^9.0.0

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Release Notes

verdaccio/monorepo

v9.0.0

Compare Source

Bug Fixes

• prevent circular structure exception (#​312) (f565461)
• verdaccio-google-cloud: catch missing Secret on first run (#​247) (7742eea)

chore

• update dependencies (68add74)

Features

• eslint-config: enable eslint curly (#​308) (91acb12)

BREAKING CHANGES

• @​verdaccio/eslint-config requires ESLint >=6.8.0 and Prettier >=1.19.1 to fix compatibility with overrides.extends config

8.5.3 (2019-12-27)

Bug Fixes

• "publish --force" and "unpublish VERSION" seem to be broken verdaccio/verdaccio#1435 (#​289) (7a130ca), closes /github.com/verdaccio/verdaccio/issues/1435#issuecomment-559977118

8.5.2 (2019-12-25)

Bug Fixes

• add types for storage handler (#​307) (c35746e)

8.5.1 (2019-12-24)

Bug Fixes

• add new types for local storage (#​306) (e715e24)

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