v4.1

Last stable release of v4 before the big v5 refactor.

Changes since last release

• Remove newsletter box (#1665) @brianlovin
• Add rate limiting to the GraphQL API (#1574) @brianlovin
• Audio AMA improvements (#1573) @brianlovin
• Audio ama (#1572) @brianlovin
• Add liveblocks to startups page (#1553) @brianlovin
• Add dashworks to startups page (#1552) @brianlovin
• Explicitly set the authentication cookie domain to brianlovin.com in prod (#1538) @mxstbr
• Add liveblocks back to site (#1537) @brianlovin
• Add eraser (#1525) @brianlovin
• Update index.ts (#1524) @brianlovin
• Add more stacks (#1480) @brianlovin
• Startups (#1477) @brianlovin
• Liveblocks (#1444) @brianlovin
• Shorter home, small tweaks (#1437) @brianlovin
• Trigger a test (#1436) @brianlovin
• Trigger a new run (#1434) @brianlovin
• Trigger changes (#1433) @brianlovin
• Test change (#1432) @brianlovin
• Use cypress action to run on deployment URLs (#1431) @brianlovin