fix: Dockerfile to reduce vulnerabilities
fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN9-GIT-340821
- https://snyk.io/vuln/SNYK-DEBIAN9-GIT-340908
- https://snyk.io/vuln/SNYK-DEBIAN9-PROCPS-309314
- https://snyk.io/vuln/SNYK-DEBIAN9-SUBVERSION-456173
- https://snyk.io/vuln/SNYK-DEBIAN9-WGET-342192
pact-foundation/pact-go,pact-foundation/pact-go