…form it to port (#1271)

 - @clerk/backend@0.21.0-staging.3
 - @clerk/fastify@0.4.5-staging.3
 - gatsby-plugin-clerk@4.3.6-staging.3
 - @clerk/nextjs@4.19.1-staging.3
 - @clerk/remix@2.6.5-staging.4
 - @clerk/clerk-sdk-node@4.10.3-staging.3

* chore(clerk-js): Proxy avatar placeholder through img.clerk.com

* fix(clerk-js): Also add new default filename to isDefaultImage check

…to transform it to port (#1271)"

This reverts commit d0df157.

…#1270)"

This reverts commit 28e2903.

 - @clerk/backend@0.21.0-staging.4
 - @clerk/chrome-extension@0.3.7-staging.4
 - @clerk/clerk-js@4.45.0-staging.4
 - @clerk/clerk-expo@0.17.7-staging.4
 - @clerk/fastify@0.4.5-staging.4
 - gatsby-plugin-clerk@4.3.6-staging.4
 - @clerk/nextjs@4.19.1-staging.4
 - @clerk/remix@2.6.5-staging.5
 - @clerk/clerk-sdk-node@4.10.3-staging.4

 - @clerk/backend@0.21.0
 - @clerk/chrome-extension@0.3.7
 - @clerk/clerk-js@4.45.0
 - @clerk/clerk-expo@0.17.7
 - @clerk/fastify@0.4.5
 - gatsby-plugin-clerk@4.3.6
 - @clerk/localizations@1.17.0
 - @clerk/nextjs@4.19.1
 - @clerk/clerk-react@4.18.0
 - @clerk/remix@2.6.5
 - @clerk/clerk-sdk-node@4.10.3
 - @clerk/shared@0.17.2
 - @clerk/themes@1.7.5
 - @clerk/types@3.41.0