Update Terraform gitlab to v16.6.0

This MR contains the following updates:

Package	Type	Update	Change
gitlab (source)	required_provider	minor	16.5.0 -> 16.6.0

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Release Notes

gitlabhq/terraform-provider-gitlab (gitlab)

v16.6.0

Compare Source

This release was tested against GitLab 16.4, 16.5, and 16.6 for both CE and EE

KNOWN ISSUES:

• Attempting to use the gitlab_users datasource with sort will not return users in the specified sort order when used with GitLab 16.6.0, as GitLab 16.6.0 uses relevancy sorting and ignores sort. This will be resolved with GitLab 16.6.1.

IMPROVEMENTS:

• New Resource: gitlab_project_level_notifications allows managing notification events for project (!1715)
• resource/gitlab_project_approval_rule: added support for applies_to_all_protected_branches (!1755)
• resource/gitlab_pipeline_schedule: added support for take_ownership, which will take ownership of the pipeline schedule prior to attempting an update (!1745)
• resource/gitlab_group: added support for push_rules (!1730)

BUG FIXES:

• resource/gitlab_user_runner: Fixed an issue where not including maximum_timeout could cause an issue when updating the runner (!1758)
• datasource/gitlab_user: When using email, the the data source will now return the first user returned from the API instead of encountering an error when more than one is identified. When used with GitLab 16.6.0, this will always be the exact match if an exact match is available. (!1743)

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