feat(icons): add BookOpenIcon

[andipaetzold]

Purpose of PR

Adding a new icon: BookOpen

Storybook screenshot:

PR Checklist

• I have read the relevant readme.md file(s)
• All commits follow our Git commit message convention
• Tests are added/updated/not required
• Tests are passing
• Storybook stories are added/updated/not required
• Usage notes are added/updated/not required
• Has been tested based on Contentful's browser support
• Doesn't contain any sensitive information

[vercel]

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Name	Status	Preview	Updated (UTC)
forma-36	✅ Ready (Inspect)	Visit Preview	Aug 23, 2024 0:51am

[changeset-bot]

⚠️ No Changeset found

Latest commit: e7a5f3c

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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💥 An error occurred when fetching the changed packages and changesets in this PR

Some errors occurred when validating the changesets config:
The package "@contentful/f36-components" depends on the ignored package "@contentful/f36-avatar", but "@contentful/f36-components" is not being ignored. Please add "@contentful/f36-components" to the `ignore` option.
The package "@contentful/f36-components" depends on the ignored package "@contentful/f36-image", but "@contentful/f36-components" is not being ignored. Please add "@contentful/f36-components" to the `ignore` option.
The package "@contentful/f36-components" depends on the ignored package "@contentful/f36-header", but "@contentful/f36-components" is not being ignored. Please add "@contentful/f36-components" to the `ignore` option.

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
CommonJS	516.97 KB (+277.93% 🔺)	10.4 s (+277.93% 🔺)	1.2 s (+163.39% 🔺)	11.5 s
Module	512.57 KB (+285.32% 🔺)	10.3 s (+285.32% 🔺)	1.7 s (+205.43% 🔺)	11.9 s

[Lelith]