fix(container): update image pgo to v5.7.3

[renovate]

This PR contains the following updates:

Package	Update	Change
pgo	patch	5.7.0 -> 5.7.3

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[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ COPYPASTE	jscpd	yes		no	0.97s
✅ REPOSITORY	git_diff	yes		no	0.02s
✅ REPOSITORY	secretlint	yes		no	1.56s
✅ YAML	prettier	1		0	0.35s
✅ YAML	yamllint	1		0	0.29s

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