[Snyk] Security upgrade org.postgresql:postgresql from 42.2.5 to 42.2.13

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `maven` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • sfm-test/pom.xml

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Upgrade	Breaking Change	Exploit Maturity
	635/1000 Why? Has a fix available, CVSS 8.2	XML External Entity (XXE) Injection SNYK-JAVA-ORGPOSTGRESQL-571481	org.postgresql:postgresql: 42.2.5 -> 42.2.13	No	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Check the changes in this PR to ensure they won't cause issues with your project.

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[coveralls]

Coverage remained the same at 84.72% when pulling 9aab1095587b4e90216eedcfbb1aa20d1138232a on snyk-fix-3c243b2bb63802532a514348387bfd3a into fbc08180307ae9ad1a5343bafc5575bd9ad66c38 on master.