fix: mock-relying-party-service/package.json & mock-relying-party-ser…

…vice/package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-8482416
- https://snyk.io/vuln/SNYK-JS-SEMVER-3247795
- https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-6141137
- https://snyk.io/vuln/SNYK-JS-AXIOS-6032459
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-7925106
- https://snyk.io/vuln/SNYK-JS-FOLLOWREDIRECTS-6444610
- https://snyk.io/vuln/SNYK-JS-BODYPARSER-7926860
- https://snyk.io/vuln/SNYK-JS-AXIOS-6144788
- https://snyk.io/vuln/SNYK-JS-AXIOS-6124857
- https://snyk.io/vuln/SNYK-JS-COOKIE-8163060
- https://snyk.io/vuln/SNYK-JS-EXPRESS-6474509
- https://snyk.io/vuln/SNYK-JS-SIDEWAYFORMULA-3317169
- https://snyk.io/vuln/SNYK-JS-AXIOS-6671926
- https://snyk.io/vuln/SNYK-JS-JOSE-6419224
- https://snyk.io/vuln/SNYK-JS-EXPRESS-7926867
- https://snyk.io/vuln/SNYK-JS-SEND-7926862
- https://snyk.io/vuln/SNYK-JS-SERVESTATIC-7926865