chore(deps): update all dependencies to latest versions

- handlebars 6.3 -> 6.4
- rust-embed 8.9 -> 8.11
- serde_yaml_ng 0.9 -> 0.10
- aws-sdk-ec2 1.211 -> 1.217
- tokio 1.48 -> 1.50
- All transitive dependencies updated via cargo update

Author: bryantbiggs