fix: update add_copyright.sh to install addlicense if not found

Co-Authored-By: [email protected] <[email protected]>

Author: devin-ai-integration[bot]

.github/scripts/add_copyright.sh

@@ -1,3 +1,12 @@
 #!/bin/bash
+set -e
+
 YEAR=$(date +%Y)
+
+if ! command -v addlicense &> /dev/null; then
+    echo "Installing addlicense..."
+    go install github.com/google/addlicense@latest
+    export PATH=$PATH:$(go env GOPATH)/bin
+fi
+
 addlicense -c "Airbyte, Inc." -l copyright -v -y "$YEAR" -f .github/scripts/LICENSE_TEMPLATE "$@"