Add Chromium Canary target

Bug: twpowertools:20

Change-Id: Ic6b8ef3832c3dff627c48e2274534cd1dd8a0b07
diff --git a/Makefile b/Makefile
index 4b501c0..44c40a2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: node_deps clean_dist deps clean_deps serve_chromium serve_chromium_mv3 serve_gecko release release_chromium_stable release_chromium_beta release_gecko_stable build_test_extension clean_releases clean
+.PHONY: node_deps clean_dist deps clean_deps serve_chromium serve_chromium_mv3 serve_gecko release release_chromium_stable release_chromium_beta release_chromium_canary release_gecko_stable build_test_extension clean_releases clean
 
 WEBPACK := ./node_modules/webpack-cli/bin/cli.js
 RELEASE_SCRIPT := bash tools/release.bash
@@ -45,6 +45,11 @@
 	$(RELEASE_SCRIPT) -c beta -b chromium_mv3
 	rm -rf dist/chromium_mv3
 
+release_chromium_canary: deps
+	$(WEBPACK) --mode production --env browser_target=chromium_mv3 --env canary
+	$(RELEASE_SCRIPT) -c canary -b chromium_mv3
+	rm -rf dist/chromium_mv3
+
 release_gecko_stable: deps
 	$(WEBPACK) --mode production --env browser_target=gecko
 	$(RELEASE_SCRIPT) -c stable -b gecko