[COMPLIANCE] Add Copyright and License Headers

version/dependencies.go

@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package version
 
 import "runtime/debug"

version/version.go

@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 // The version package provides a location to set the release versions for all
 // packages to consume, without creating import cycles.
 //