Feat/add tags group

[declement]

Description of your changes

This PR adds the ability to manage GCP resource tags through Crossplane.

This PR implements resources in #216. It is a follow up to #397 that were closed due to inactivity.

Implemented resources

• google_tags_tag_key
• google_tags_tag_value
• google_tags_tag_binding

I have:

• Read and followed Crossplane's contribution process.
• Run make reviewable to ensure this PR is ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

How has this code been tested

This code has been tested manually (for creation, import and deletion) in a dedicated GCP project because Tag resources require existing parent resources.

google_tags_tag_key

google_tags_tag_value

google_tags_tag_binding

[jeanduplessis]

/test-examples="examples/tags/v1beta1/tagbinding.yaml"

[turkenf]

Hey, @declement, many thanks for the contribution. I left two small comments about manual intervention annotations.

[declement]

Thank you for the quick reply, your suggestions have been applied.

[declement]

/test-examples="examples/tags/v1beta1/tagbinding.yaml,examples/tags/v1beta1/tagvalue.yaml,examples/tags/v1beta1/tagkey.yaml"

[turkenf]

/test-examples="examples/tags/v1beta1/tagbinding.yaml,examples/tags/v1beta1/tagvalue.yaml,examples/tags/v1beta1/tagkey.yaml"

Since you are a first-time contributor, you are not currently allowed to trigger uptest. Once this PR is merged, you can trigger it on new PRs you will open.

Additionally, it will skip uptests since there is manual intervention in all of the examples.

[turkenf]

LGTM.