fix(deps): update dependency google/cloud-parametermanager to ^0.3.0

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google/cloud-parametermanager	^0.2.0 -> ^0.3.0

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Release Notes

googleapis/google-cloud-php-parametermanager (google/cloud-parametermanager)

v0.3.0: google/cloud-parametermanager v0.3.0

Compare Source

Features

• Introduce ModelArmor (#​8299) (8e5fdc7)

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