Added GCP Storage output type

[yindia]

Signed-off-by: Yuvraj [email protected]

What type of PR is this?

kind feature

Any specific area of the project related to this PR?

area outputs

What this PR does / why we need it: Added new output type GCP storage

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

[poiana]

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[Issif]

This is a terrific PR, thank you so much

/lgtm

As it's a big one, please @cpanato @KeisukeYamashita, take a look too when you can 🙏

[poiana]

LGTM label has been added.

Git tree hash: 45ac01fdb582ecb48da21d2db0b0e61351ffed3e

[poiana]

LGTM label has been added.

Git tree hash: 79ab008babcda0f4ca6cb7bf7b8e51b8e9504198

[poiana]

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