fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN12-GLIBC-6210098
- https://snyk.io/vuln/SNYK-DEBIAN12-GLIBC-6210098
- https://snyk.io/vuln/SNYK-DEBIAN12-ZLIB-6008963
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-6252335
- https://snyk.io/vuln/SNYK-DEBIAN12-PAM-8352887

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:21.5.0-slim
+FROM node:21.7.2-slim
 
 RUN apt-get -y update && apt-get -y install ca-certificates apt-transport-https