Update forward_ssh_connectivity.private_key to be mutable

[ari-hacks]

This prevents the connection profile from failing permanently (needing to be re-created) when the forward ssh connectivity private key is updated.
Fixes hashicorp/terraform-provider-google#18999
Related PR #11930

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datastream: updated `private_key`to be mutable in `google_datastream_connection_profile` resource.

[github-actions]

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[SirGitsalot]

/gcbrun

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 2 files changed, 213 insertions(+), 1 deletion(-))
google-beta provider: Diff ( 2 files changed, 213 insertions(+), 1 deletion(-))

Missing test report

Your PR includes resource fields which are not covered by any test.

Resource: google_datastream_connection_profile (11 total tests)
Please add an acceptance test which includes these fields. The test should include the following:

resource "google_datastream_connection_profile" "primary" {
  forward_ssh_connectivity {
    private_key = # value needed
  }
}

[modular-magician]

Tests analytics

Total tests: 13
Passed tests: 4
Skipped tests: 8
Affected tests: 1

Click here to see the affected service packages

• datastream

Action taken

Found 1 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

• TestAccDatastreamConnectionProfile_sshKey_update

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[modular-magician]

🔴 Tests failed during RECORDING mode:
TestAccDatastreamConnectionProfile_sshKey_update [Error message] [Debug log]

🔴 Errors occurred during RECORDING mode. Please fix them to complete your PR.

View the build log or the debug log for each test