Update copyright headers (#3161)

* chore: 🤖 remove hashi copyright .github headers and update config

* chore: 🤖 remove remaining hashicorp copyright headers

* Add missing copyright headers

.github/ISSUE_TEMPLATE/config.yml

@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2021, 2026
 # SPDX-License-Identifier: BUSL-1.1
 
 contact_links:

.github/labeler.yml

@@ -1,4 +1,4 @@
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2021, 2026
 # SPDX-License-Identifier: BUSL-1.1
 
 addons:

.github/scripts/merge.sh

@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
-# Copyright (c) HashiCorp, Inc.
+# Copyright IBM Corp. 2021, 2026
 # SPDX-License-Identifier: BUSL-1.1
 
+
 set -euo pipefail
 
 # Configure Git
@@ -91,4 +92,4 @@ gh pr create \
   -b "${BASE_BRANCH/oss\//} upstream merge of (${SHA::7})"
 gh pr merge --auto --merge
 
-# This PR will be need to be approved manually
+# This PR will be need to be approved manually