cmd/gitmirror: bump resources
cmd/gitmirror: bump resources

Change-Id: I634ffe2a7844a27e88bb958fa20836eaf500e915
Reviewed-on: https://go-review.googlesource.com/127316
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

golang/build,golang/build,golang/build,golang/build