Update Google service account docs to display correct public key type

[onlydole]

Release Note Template for Downstream PRs (will be copied)

[google-cla]

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[modular-magician]

Hello! I am a robot who works on Magic Modules PRs.

I have detected that you are a community contributor, so your PR will be assigned to someone with a commit-bit on this repo for initial review.

Thanks for your contribution! A human will be with you soon.

@c2thorn, please review this PR or find an appropriate assignee.

[onlydole]

@googlebot I signed it!

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 2 files changed, 26 insertions(+), 29 deletions(-))
Terraform Beta: Diff ( 2 files changed, 26 insertions(+), 29 deletions(-))

[c2thorn]

Thanks for the contribution! TYPE_X509_PEM_FILE certainly seems correct according to https://cloud.google.com/iam/docs/reference/rest/v1/projects.serviceAccounts.keys/get . One minor complaint about the html formatting, but otherwise looks good.

[onlydole]

Thank you, @c2thorn! I have updated with your feedback, please let me know if you need anything else for this to be merged in/approved and I'll be happy to update accordingly.

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 2 files changed, 14 insertions(+), 17 deletions(-))
Terraform Beta: Diff ( 2 files changed, 14 insertions(+), 17 deletions(-))

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 2 files changed, 7 insertions(+), 10 deletions(-))
Terraform Beta: Diff ( 2 files changed, 7 insertions(+), 10 deletions(-))

[c2thorn]

Seems great, thank you so much @onlydole !