fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN12-GLIBC-1547196
- https://snyk.io/vuln/SNYK-DEBIAN12-GLIBC-1547196
- https://snyk.io/vuln/SNYK-DEBIAN12-PERL-5489184
- https://snyk.io/vuln/SNYK-DEBIAN12-PERL-5489190
- https://snyk.io/vuln/SNYK-DEBIAN12-TAR-1560620

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.10-slim
+FROM python:3.12.0b1-slim
 
 WORKDIR /app