Update storybook monorepo to ^5.3.19

Created by: renovate[bot]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
@storybook/addon-actions	devDependencies	patch	^5.3.19	source
@storybook/addon-info	devDependencies	patch	^5.3.19	source
@storybook/addon-knobs	devDependencies	patch	^5.3.19	source
@storybook/addon-links	devDependencies	patch	^5.3.19	source
@storybook/addon-options	devDependencies	patch	^5.3.19	source
@storybook/addon-storyshots	devDependencies	patch	^5.3.19	source
@storybook/addon-storyshots-puppeteer	devDependencies	patch	^5.3.19	source
@storybook/addons	devDependencies	patch	^5.3.19	source
@storybook/components	devDependencies	patch	^5.3.19	source
@storybook/core	devDependencies	patch	^5.3.19	source
@storybook/react	devDependencies	patch	^5.3.19	source
@storybook/theming	devDependencies	patch	^5.3.19	source

---

Release Notes

storybookjs/storybook

v5.3.19

Compare Source

Bug Fixes

• UI: Fix search stories (#​10539)

Security

• Upgrade markdown-to-jsx to 6.11.4 (#​10873)

---

Renovate configuration

📅 Schedule: "on the 1st through 7th day of the month" in timezone America/Los_Angeles.

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.