Update duckdb index files

.gitattributes

@@ -144,3 +144,4 @@ default/robotics.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -t
 default/rus.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/scicomp.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/salesforce.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/sharepoint.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/sharepoint.stackexchange.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:63c9fc5107fa2efb4900062ae91ec86883edb4f6a6352a571e02aedd39e2ee92
+size 68956160