chore: bump version to v0.3.2 in install/kustomization.yaml (#256)

Co-authored-by: nakamasato <nakamasato@users.noreply.github.com>

Author: github-actions[bot]

config/install/kustomization.yaml

@@ -18,4 +18,4 @@ kind: Kustomization
 images:
 - name: controller
   newName: ghcr.io/nakamasato/mysql-operator
-  newTag: v0.3.1
+  newTag: v0.3.2