(Backend) - Update Google Dependencies to Address Vulnerabilities and General Tech Debt

[mjperry91]

Fix vulnerabilities by updating to latest versions

• com.google.api-client:google-api-client:1.30.9
• com.google.oauth-client:google-oauth-client-jetty:1.28.0

Update to latest version

• com.google.cloud.sql:postgres-socket-factory:1.0.15

Consider updating

• com.google.apis:google-api-services-drive:v3-rev20200326-1.30.9
• com.google.apis:google-api-services-gmail:v1-rev20200203-1.30.9
• com.google.apis:google-api-services-admin-directory:directory_v1-rev118-1.25.0

Acceptance Criteria:

• Vulnerabilities are address
• Application is on latest version of postgres-socket-factory
• Other dependencies are accessed and updated as needed.
• Regression test on gcloud.