Backport PR #3500 to release/v1.7 for Update PULL_REQUEST_TEMPLATE and ISSUE_TEMPLATE#3502

Matts966 merged 2 commits intorelease/v1.7vdaas/vald:release/v1.7from

backport/release/v1.7/documentation/pull_request_and_issue_template/update_versions_20260316_043829_892vdaas/vald:backport/release/v1.7/documentation/pull_request_and_issue_template/update_versions_20260316_043829_892Copy head branch name to clipboard