fix: Src/reservations-service/Dockerfile to reduce vulnerabilities (#24)
The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN12-ZLIB-6008963
- https://snyk.io/vuln/SNYK-DEBIAN12-KRB5-7411314
- https://snyk.io/vuln/SNYK-DEBIAN12-KRB5-7411315
- https://snyk.io/vuln/SNYK-DEBIAN12-KRB5-7411315
- https://snyk.io/vuln/SNYK-DEBIAN12-OPENSSL-7411350
Co-authored-by: snyk-bot <snyk-bot@snyk.io>