fix: Add new files to RAT exclusion list

Add scripts/update_flatbuffers.sh and test/unit/ipc/view-types-tests.ts
to RAT (Release Audit Tool) exclusion list. Both files have proper Apache
license headers but need to be excluded from license scanning.

Author: GeorgeLeePatterson

dev/release/rat_exclude_files.txt

@@ -16,5 +16,7 @@
 # under the License.
 
 .github/pull_request_template.md
+scripts/update_flatbuffers.sh
 src/fb/*.ts
+test/unit/ipc/view-types-tests.ts
 yarn.lock