[COMPLIANCE] Update MPL 2.0 LICENSE (#1078)
[COMPLIANCE] Update MPL 2.0 LICENSE (#1078)

Co-authored-by: hashicorp-copywrite[bot] <1505422b2465e9a84f6fdfaa161078890c593f06@hashicorp.com>
hashicorp/terraform-plugin-sdk,hashicorp/terraform-plugin-sdk