split out generating lcov file vs showing coverage in the terminal

deno.jsonc

@@ -32,7 +32,8 @@
   },
   "tasks": {
     "test": "deno fmt --check && deno lint && deno test --allow-read --allow-net --allow-write --allow-run --allow-env src",
-    "coverage": "rm -rf .coverage && deno test --reporter=dot --allow-read --allow-net --allow-write --allow-run --allow-env --coverage=.coverage src && deno coverage --exclude=fixtures --exclude=test --lcov --output=lcov.info .coverage && deno run --allow-read https://deno.land/x/[email protected]/cli.ts"
+    "generate-lcov": "rm -rf .coverage && deno test --reporter=dot --allow-read --allow-net --allow-write --allow-run --allow-env --coverage=.coverage src && deno coverage --exclude=fixtures --exclude=test --lcov --output=lcov.info .coverage",
+    "test:coverage":"deno task generate-lcov && deno coverage --exclude=fixtures --exclude=test .coverage"
   },
   "lock": false
 }