Create the Sourcegraph 4.0 launch blogs

[iskyOS]

Creating the Sourcegraph 4.0 Release Post blog. This blog post should be used to stage and track updates to the 4.0 release as they are being worked on and committed to the build.

WIP links:

• spreadsheet

[sourcegraph-bot]

Notifying subscribers in CODENOTIFY files for diff 5416f60910a0fcd146cc61e47a12a7675d8489ff...dce03e6c6e3f7e03699aa15a8f49d61830284494.

Notify	File(s)
@content-platform-team	content/blogposts/2022/code-intelligence-platform.md content/blogposts/2022/enterprise-cloud.md content/blogposts/2022/sourcegraph-4.0.md src/components/Figure.tsx
@sourcegraph/marketing	content/blogposts/2022/code-intelligence-platform.md content/blogposts/2022/enterprise-cloud.md content/blogposts/2022/sourcegraph-4.0.md

[malomarrec]

I clarified that server-side is in beta

[malomarrec]

I clarified that server-side is in beta

@lcolston08 just bringing this to your attention

[lcolston08]

Thanks for bringing that to my attention @malomarrec

[doragrgic]

@lcolston08 - finished my review. Suggested a minor change to the SOC sentence.

[iskyOS]

@lcolston08 , finished my review. Looks great - thank you!