Add/Fix copyright headers

Summary: Fix issues discovered by OpenSource Automated Checkup tool.

Reviewed By: islamismailov

Differential Revision: D65210876

fbshipit-source-id: 4756d824ea3a45bc809a0d7f8d4f8bc3ce50e0a4

build/buck2/install_deps/install_deps.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-# (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
+# Copyright (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
 
 if [ -z "$INSTALL_COMMAND" ]; then
   if [ -f /etc/os-release ]; then