Update test script to require 100% branch/function/line coverage.

Author: DavidAnson

package.json

@@ -27,7 +27,7 @@
 		"schema-copy": "cpy ./node_modules/markdownlint/schema/markdownlint-config-schema.json . --flat && cpy ./node_modules/markdownlint-cli2/schema/markdownlint-cli2-config-schema.json . --flat",
 		"schema-embed": "node ./embed-schema.cjs",
 		"schema-update": "replace-in-files --regex='https://raw\\.githubusercontent\\.com/DavidAnson/markdownlint/v\\d+\\.\\d+\\.\\d+/schema/markdownlint-config-schema\\.json' --replacement='./markdownlint-config-schema.json' ./markdownlint-cli2-config-schema.json",
-		"test": "node --test --experimental-test-coverage && npm run lint && npm run compile && npm run schema-copy && npm run schema-embed && npm run schema-update && git diff --exit-code",
+		"test": "node --test --experimental-test-coverage --test-coverage-branches=100 --test-coverage-functions=100 --test-coverage-lines=100 && npm run lint && npm run compile && npm run schema-copy && npm run schema-embed && npm run schema-update && git diff --exit-code",
 		"test-ui": "node ./test-ui/run-tests.mjs",
 		"test-web": "npm install --no-save @vscode/test-web && sed -i '.bak' -e 's/\\/{{uuid}}\\./\\//' node_modules/@vscode/test-web/out/server/workbench.js && vscode-test-web --browser=none --verbose --extensionDevelopmentPath=. ."
 	},