fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-5741793
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-5741794
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-5750283
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-5837545
- https://snyk.io/vuln/SNYK-UPSTREAM-NODE-5837546

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20.2.0-slim
+FROM node:bookworm-slim
 RUN apt-get update && apt-get upgrade -y
 
 LABEL Description="timings"