chore: add changesets

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

.changeset/fast-horses-give.md

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+---
+'@vue-flow/core': patch
+---
+
+Add `initialized` prop to `GraphNode`

.changeset/selfish-trains-perform.md

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+---
+'@vue-flow/core': patch
+---
+
+Fix Handle component adding duplicate handlebounds when node is not properly initialized