Add changesets

Author: eddeee888

.changeset/flat-ghosts-push.md

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+---
+'@graphql-codegen/testing': major
+---
+
+Bump depdendencies major versions:
+
+- nock v14

.changeset/tall-wasps-know.md

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+---
+'@graphql-codegen/visitor-plugin-common': major
+---
+
+Bump dependencies major versions:
+
+- dependency-graph to v1

.changeset/tame-radios-leave.md

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+---
+'@graphql-codegen/cli': major
+---
+
+Bump dependencies major versions:
+
+- cosmiconfig v9
+- debounce v2
+- jiti v2