docs: fix 'report-status' protocol capability thinko

The report-status capability is understood by receive-pack,
not upload-pack.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/technical/protocol-capabilities.txt

@@ -168,7 +168,7 @@ of whether or not there are tags available.
 report-status
 -------------
 
-The upload-pack process can receive a 'report-status' capability,
+The receive-pack process can receive a 'report-status' capability,
 which tells it that the client wants a report of what happened after
 a packfile upload and reference update.  If the pushing client requests
 this capability, after unpacking and updating references the server