fix: db/Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-ALPINE321-LIBXML2-9380738
- https://snyk.io/vuln/SNYK-ALPINE321-LIBXML2-9360831
- https://snyk.io/vuln/SNYK-ALPINE321-LIBXML2-9360925
- https://snyk.io/vuln/SNYK-ALPINE321-LIBXSLT-9407516
- https://snyk.io/vuln/SNYK-ALPINE321-LIBXSLT-9407517

Author: snyk-bot

db/Dockerfile

@@ -1,5 +1,5 @@
 # pull official base image
-FROM postgres:17.4-alpine
+FROM postgres:17.5-alpine
 
 # run create.sql on init
 ADD create.sql /docker-entrypoint-initdb.d