Update Docker image docker.io/library/postgres to 15.10

[renovate]

This PR contains the following updates:

Package	Update	Change
docker.io/library/postgres	minor	15.8 -> 15.10

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[bloopy-boi]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ COPYPASTE	jscpd	yes		no	1.05s
✅ YAML	prettier	1	0	0	0.44s
✅ YAML	yamllint	1		0	0.28s

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