Fix find and replace error

Author: marcleblanc2

charts/sourcegraph/templates/indexed-search/indexed-search.IndexerService.yaml

@@ -22,7 +22,7 @@ spec:
   ports:
   - name: http-indexserver
     port: 6072
-    targetPort: http-index
+    targetPort: http-indexserver
   selector:
     {{- include "sourcegraph.selectorLabels" . | nindent 4 }}
     app: indexed-search