* Add dependency-review caller workflow
Add a pull_request-triggered caller that invokes the org-level
callable-dependency-review workflow to scan dependency changes and
fail on high-severity advisories.
* chore: retrigger checks
* chore: retrigger dep review (post-fix)
* chore: add .env to .gitignore
* Add CI workflow
* Fix TypeScript compilation for CI
Add types: ["node"] to tsconfig so tsc resolves Node.js globals
(console, process, __dirname). Add @aws-sdk/client-ssm and
source-map-support as devDependencies for type resolution.
