fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-3188632
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-3314647
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-3314650
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-3314651
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-3314657

Dockerfile

@@ -1,6 +1,6 @@
 FROM nginxproxy/docker-gen:0.9.2 AS docker-gen
 
-FROM alpine:3.17.0
+FROM alpine:3.19.6
 
 ENV DEBUG=false              \
 	DOCKER_GEN_VERSION=0.7.3 \