Update gitlab-org/container-registry from 3.17.0-gitlab to 3.18.1-gitlab

The following dependencies have been updated by deps:

• gitlab-org/container-registry from 3.17.0-gitlab to 3.18.1-gitlab

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3.18.1 (2021-12-10)

Bug Fixes

• revert enable PostgreSQL pageinspect extension (2c2825c)

3.18.0 (2021-12-09)

Bug Fixes

• datastore: do not panic if database credentials are wrong (cfc51e7)

Features

• datastore: calculate deduplicated repository size (#486 (closed)) (86d68c1)
• datastore: enable PostgreSQL pageinspect extension (74f6521)
• datastore: extend support for Helm Charts media types (ff2fd80)
• gc: add dangling and event labels to online GC run metrics (738cf24)
• gc: log creation timestamp and event of GC tasks (e0133c3)

Related to gitlab-org/container-registry#532 (closed).