Update duckdb index files

.gitattributes

@@ -147,3 +147,4 @@ default/salesforce.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs
 default/sharepoint.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/sitecore.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/serverfault.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/softwareengineering.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/softwareengineering.stackexchange.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3844d4d6e76c7abcb72c8bca055dad161aebad447b513a727d0002cab01b08cd
+size 86781952