fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-5438697
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-5661570
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-5776809
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-5788365
- https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-5821141

Dockerfile

@@ -17,7 +17,7 @@ COPY . .
 RUN make build
 
 # Final image
-FROM alpine:3.17.3
+FROM alpine:3.18.3
 
 # Install ca-certificates
 RUN apk add --update ca-certificates jq