chore: create a changeset for the solhint plugin updates

Author: galargh

.changeset/breezy-chairs-relax.md

@@ -0,0 +1,9 @@
+---
+"@nomiclabs/hardhat-solhint": major
+---
+
+Ensured the check task exists with exit code 1 when solhint raises any errors and updated solhint dependency to [v5.0.2](https://github.com/protofire/solhint/releases/tag/v5.0.2)
+
+## ⚠️ Breaking Change ⚠️
+
+This release introduces a breaking change. Previously, the check task would exit with exit code 0 even if solhint raised some errors. Starting with this version, the check task will exit with exit code 1 if any errors are raised and 0 otherwise.