DLPX-92948 Upgrade rust tools to 1.84.1 (#22)

PR URL: https://www.github.com/delphix/delphix-rust/pull/22

Author: prakashsurya

debian/rules

@@ -21,7 +21,7 @@ DEB_HOST_GNU_CPU ?= $(shell dpkg-architecture -qDEB_HOST_GNU_CPU)
 	dh $@
 
 override_dh_install:
-	./scripts/fetch-and-run-installer.sh "1.80.0" "/usr" "debian/tmp" $(DEB_HOST_GNU_CPU)
+	./scripts/fetch-and-run-installer.sh "1.84.1" "/usr" "debian/tmp" $(DEB_HOST_GNU_CPU)
 
 	dh_install --autodest "debian/tmp/*"