Change coverage:show to coverage:open

(cherry picked from commit 84514fc)

package.json

@@ -26,9 +26,9 @@
     "start": "NODE_ENV=production node app.js",
     "dev": "npm i && nodemon -e ts,json,idl,scss,yaml --exec \"npm run build:tests && npm run build:resources && ts-node app.ts\"",
     "unittest": "NODE_ENV=test c8 mocha --recursive 'unittest/**/*.ts'",
-    "coverage": "npm run coverage:report && npm run coverage:show",
+    "coverage": "npm run coverage:report && npm run coverage:open",
     "coverage:report": "c8 report -r lcov",
-    "coverage:show": "open-cli coverage/lcov-report/index.html",
+    "coverage:open": "open-cli coverage/lcov-report/index.html",
     "test": "npm run format && npm run unittest",
     "selenium": "ts-node selenium.ts",
     "update-bcd": "ts-node update-bcd.ts",