feat: serviceAccountKeyName, serviceAccountDelegationInfo, and principalSubject attributes added to the existing access attribute. These new attributes provide additional context about the principals that are associated with the finding (#905)

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PiperOrigin-RevId: 469787268

Source-Link: googleapis/googleapis@c7a52f4

Source-Link: https://github.com/googleapis/googleapis-gen/commit/4e235765c3f09662143bc0a2b08f12bc0fe0c93f
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiNGUyMzU3NjVjM2YwOTY2MjE0M2JjMGEyYjA4ZjEyYmMwZmUwYzkzZiJ9

Author: gcf-owl-bot[bot]