[Snyk] Security upgrade postgres from 13.1 to 13.12

[garanews]

This PR was automatically created by Snyk using the credentials of a real user.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Changes included in this PR

• compose/local/postgres/Dockerfile

We recommend upgrading to postgres:13.12, as this image has only 55 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Some of the most important vulnerabilities in your base image include:

Severity	Priority Score / 1000	Issue	Exploit Maturity
	714	Directory Traversal SNYK-DEBIAN10-DPKG-2847944	No Known Exploit
	714	Buffer Overflow SNYK-DEBIAN10-GLIBC-2340915	No Known Exploit
	714	Out-of-bounds Write SNYK-DEBIAN10-LZ4-1277601	No Known Exploit
	786	CVE-2023-26604 SNYK-DEBIAN10-SYSTEMD-3339153	Mature
	786	CVE-2023-26604 SNYK-DEBIAN10-SYSTEMD-3339153	Mature

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