Export Keyframes type from @emotion/react (#2577)

* Export Keyframes type from @emotion/core

* Create old-chefs-repeat.md

* Update old-chefs-repeat.md

* Update old-chefs-repeat.md

* Update .changeset/old-chefs-repeat.md

Co-authored-by: Mateusz Burzyński <[email protected]>

Author: Methuselah96

.changeset/old-chefs-repeat.md

@@ -0,0 +1,5 @@
+---
+"@emotion/react": patch
+---
+
+Export `Keyframes` type to avoid TypeScript inserting `import("@emotion/serialize").Keyframes` references into declaration files emitted based on a source files exporting `keyframes` result. This avoids issues with strict package managers that don't allow accessing undeclared dependencies.

packages/react/types/index.d.ts

@@ -31,6 +31,7 @@ export {
   EmotionCache,
   FunctionInterpolation,
   Interpolation,
+  Keyframes,
   SerializedStyles
 }