[COMPLIANCE] Update Copyright and License Headers (Batch 1 of 1) (#40)

Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>

internal/client/client.go

@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2024, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package client

internal/client/client_test.go

@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2024, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package client

internal/client/service_test.go

@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2024, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package client_test

internal/errors/error.go

@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2024, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package errors

internal/errors/error_test.go

@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2024, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package errors

internal/testing/testing.go

@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2024, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package testing

internal/values/proto.go

@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2024, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package values

internal/values/proto_test.go

@@ -1,4 +1,4 @@
-// Copyright (c) HashiCorp, Inc.
+// Copyright IBM Corp. 2024, 2025
 // SPDX-License-Identifier: MPL-2.0
 
 package values