Update docsearch for v1.17.0-pre.2

Signed-off-by: Joe Stringer <[email protected]>

Author: joestringer

docsearch.config.json

@@ -7,7 +7,7 @@
         "version": [
           "latest",
           "stable",
-          "v1.17.0-pre.1",
+          "v1.17.0-pre.2",
           "v1.16",
           "v1.15",
           "v1.14"