Release ECS Service Connect Agent v1.25.3.0
The Envoy team released v1.25.3: https://github.com/envoyproxy/envoy/releases/tag/v1.25.3.
Update Wasmtime dependency (->6.0.1) to resolve CVEs:
GHSA-ff4p-7xrq-q5r8
GHSA-xm67-587q-r2vw
Ref: aws/aws-app-mesh-controller-for-k8s#690
Envoy version history: https://www.envoyproxy.io/docs/envoy/v1.25.3/version_history/v1.25/v1.25.3
We update ECS Service Connect Agent to v1.25.3.0 together with Envoy release.