build: fix PPA failure due to updated debsrc

build/ci.go

@@ -568,12 +568,13 @@ func doDebianSource(cmdline []string) {
 				source    = filepath.Join(*workdir, basename+".tar.xz")
 				dsc       = filepath.Join(*workdir, basename+".dsc")
 				changes   = filepath.Join(*workdir, basename+"_source.changes")
+				buildinfo = filepath.Join(*workdir, basename+"_source.buildinfo")
 			)
 			if *signer != "" {
 				build.MustRunCommand("debsign", changes)
 			}
 			if *upload != "" {
-				ppaUpload(*workdir, *upload, *sshUser, []string{source, dsc, changes})
+				ppaUpload(*workdir, *upload, *sshUser, []string{source, dsc, changes, buildinfo})
 			}
 		}
 	}