feat: lock param on terraform plan (default to true)

[VincentPerez]

Adding lock param on terraform plan (default to true)

I filed an issure here : #105

[henrahmagix]

@KyleTryon is it possible please to implement this PR? Currently, having terraform/plan run in every branch so we can review the output, makes any existing plan that's waiting to be applied stale, so it breaks our merging and applying flow. Being able to set -lock=false on PR branches would be extremely helpful ☺️

The changes seem to be correct to me =)

[KyleTryon]

@KyleTryon is it possible please to implement this PR? Currently, having terraform/plan run in every branch so we can review the output, makes any existing plan that's waiting to be applied stale, so it breaks our merging and applying flow. Being able to set -lock=false on PR branches would be extremely helpful ☺️

The changes seem to be correct to me =)

Sorry. I am no longer a part of this organization.

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[henrahmagix]

Thanks so much @marboledacci!