fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN12-GNUTLS28-6159410
- https://snyk.io/vuln/SNYK-DEBIAN12-GNUTLS28-6159418
- https://snyk.io/vuln/SNYK-DEBIAN12-SYSTEMD-6137714
- https://snyk.io/vuln/SNYK-DEBIAN12-SYSTEMD-6137714
- https://snyk.io/vuln/SNYK-DEBIAN12-TAR-3253526

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20.13
+FROM golang:1.22.2
 
 # Install pact ruby standalone binaries
 RUN curl -LO https://github.com/pact-foundation/pact-ruby-standalone/releases/download/v2.0.3/pact-2.0.3-linux-x86_64.tar.gz; \