[Snyk] Security upgrade org.postgresql:postgresql from 42.7.5 to 42.7.7

[stevespringett]

Snyk has created this PR to fix 1 vulnerabilities in the maven dependencies of this project.

Snyk changed the following file(s):

• pom.xml

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score	Upgrade
	Incorrect Implementation of Authentication Algorithm SNYK-JAVA-ORGPOSTGRESQL-10343494	726	org.postgresql:postgresql: 42.7.5 -> 42.7.7 No Known Exploit

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[owasp-dt-bot]

:tada: Snyk checks have passed. No issues have been found so far.

:white_check_mark: security/snyk check is complete. No issues have been found. (View Details)

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for 7112c7226142244824da127eef9baacc864d954c[^1]	:white_check_mark: ∅ (target: 70.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (7112c7226142244824da127eef9baacc864d954c)	Report Missing	Report Missing	Report Missing
Head commit (52c39b81e28d767f888a68ec934efe4052b190fe)	24042	19400	80.69%

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#5047)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[^1]: Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct.

[nscuro]

Superseded by #5170