Update duckdb index files

.gitattributes

@@ -179,3 +179,4 @@ default/salesperson/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/graphic_designer/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/customer_service_representative/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/security_guard/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/software_developer/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/software_developer/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4e6704b6584582c93ce27066a15f63b8fcbd97b50faaa6d1158bec75fbcdd801
+size 4468736