docs: update blog post OpenCollective tiers to match current state

Author: quantizor

sections/blog/2026-03-22-celebrating-a-decade-of-styled-components.mdx

@@ -105,7 +105,7 @@ The team at **Sanity** opened [PR #4332](https://github.com/styled-components/st
 
 But the broader question is sustainability. The React core team's direction — deprecating APIs like Context in RSC — creates real technical constraints. The ecosystem's shift toward build-time CSS is undeniable. Styled-components still has 24,000+ npm dependents and 8.5 million weekly downloads. Those users need the library to stay healthy.
 
-There's a new flexible [Supporter tier on Open Collective](https://opencollective.com/styled-components) with a goal of $5,000/month. Getting there would change the equation completely: reliable, dedicated time to stay on top of issues, evaluate community contributions with the care they deserve, and maybe start roadmap planning again. Not a side project squeezed into margins — real, sustained work. Without that, or more maintainers, the pace will continue to slow. That's not a threat; it's math.
+The [Open Collective](https://opencollective.com/styled-components) has tiers from Enthusiast ($5/mo) through Diamond ($5,000/mo — priority support and direct input into development). Reaching sustainable monthly funding would change the equation completely: reliable, dedicated time to stay on top of issues, evaluate community contributions with the care they deserve, and maybe start roadmap planning again. Not a side project squeezed into margins — real, sustained work. Without that, or more maintainers, the pace will continue to slow. That's not a threat; it's math.
 
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@@ -129,4 +129,4 @@ To everyone who made styled-components what it is.
 
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-If styled-components has been part of your stack, the most direct way to keep it maintained is the [Supporter tier on Open Collective](https://opencollective.com/styled-components).
+If styled-components has been part of your stack, the most direct way to keep it maintained is [Open Collective](https://opencollective.com/styled-components).