fix(deps): update dependency org.springframework.boot:spring-boot-starter-parent to v2.6.6 (#298)
fix(deps): update dependency org.springframework.boot:spring-boot-starter-parent to v2.6.6 (#298)

Co-authored-by: Christine Kim <01c2e9a8c32453d48b3d5fdce5354a8274eca1b6@users.noreply.github.com>
GoogleCloudPlatform/kubernetes-engine-samples,GoogleCloudPlatform/kubernetes-engine-samples,GoogleCloudPlatform/kubernetes-engine-samples,GoogleCloudPlatform/kubernetes-engine-samples,GoogleCloudPlatform/kubernetes-engine-samples,GoogleCloudPlatform/kubernetes-engine-samples,GoogleCloudPlatform/kubernetes-engine-samples,GoogleCloudPlatform/kubernetes-engine-samples,GoogleCloudPlatform/kubernetes-engine-samples