build(deps-dev): bump @solana/kit-plugin-instruction-plan from 0.10.0 to 0.12.1 in /clients/js (#1275)

build(deps-dev): bump @solana/kit-plugin-instruction-plan in /clients/js

Bumps [@solana/kit-plugin-instruction-plan](https://github.com/anza-xyz/kit-plugins) from 0.10.0 to 0.12.1.
- [Commits](https://github.com/anza-xyz/kit-plugins/compare/@solana/kit-plugin-instruction-plan@0.10.0...@solana/kit-plugin-instruction-plan@0.12.1)

---
updated-dependencies:
- dependency-name: "@solana/kit-plugin-instruction-plan"
  dependency-version: 0.12.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

clients/js/package.json

@@ -56,7 +56,7 @@
         "@solana-config/oxc": "^0.1.1",
         "@solana-program/system": "^0.12.0",
         "@solana/kit": "^6.10.0",
-        "@solana/kit-plugin-instruction-plan": "^0.10.0",
+        "@solana/kit-plugin-instruction-plan": "^0.12.1",
         "@solana/kit-plugin-litesvm": "^0.10.0",
         "@solana/kit-plugin-rpc": "^0.11.1",
         "@solana/kit-plugin-signer": "^0.10.0",