fix: stop installing monocart-coverage-reports (#535)

Author: bcoe

Diff for: README.md

@@ -134,7 +134,7 @@ c8 --experimental-monocart --reporter=v8 --reporter=console-details node foo.js
 NOTE: Monocart requires additional `monocart-coverage-reports` to be installed:
 
 ```sh
-npm i monocart-coverage-reports --save-dev
+npm i monocart-coverage-reports@2 --save-dev
 ```
 
 ## Ignoring Uncovered Lines, Functions, and Blocks

Diff for: lib/report.js

@@ -103,7 +103,7 @@ class Report {
     try {
       MCR = await this.importMonocart()
     } catch (e) {
-      console.error('--experimental-monocart requires the plugin monocart-coverage-reports. Run: "npm i monocart-coverage-reports --save-dev"')
+      console.error('--experimental-monocart requires the plugin monocart-coverage-reports. Run: "npm i monocart-coverage-reports@2 --save-dev"')
       process.exit(1)
     }
     return MCR

Diff for: package-lock.json

@@ -51,12 +51,13 @@
     "chai-jest-snapshot": "^2.0.0",
     "cross-env": "^7.0.3",
     "mocha": "^9.2.2",
+    "monocart-coverage-reports": "^2.8.3",
     "standard": "^16.0.4",
     "ts-node": "^10.7.0",
     "typescript": "^5.0.0"
   },
-  "peerDependencies": {
-    "monocart-coverage-reports": "^2.8.3"
+  "c8Requirements": {
+    "monocart-coverage-reports": "^2"
   },
   "engines": {
     "node": ">=18"

Diff for: package.json

@@ -748,7 +748,7 @@ All files          |     100 |      100 |     100 |     100 |
 `;
 
 exports[`c8 mergeAsync monocart report check import monocart 1`] = `
-",,--experimental-monocart requires the plugin monocart-coverage-reports. Run: \\"npm i monocart-coverage-reports --save-dev\\"
+",,--experimental-monocart requires the plugin monocart-coverage-reports. Run: \\"npm i monocart-coverage-reports@2 --save-dev\\"
 "
 `;
 
@@ -1146,7 +1146,7 @@ All files          |     100 |      100 |     100 |     100 |
 `;
 
 exports[`c8 monocart report check import monocart 1`] = `
-",,--experimental-monocart requires the plugin monocart-coverage-reports. Run: \\"npm i monocart-coverage-reports --save-dev\\"
+",,--experimental-monocart requires the plugin monocart-coverage-reports. Run: \\"npm i monocart-coverage-reports@2 --save-dev\\"
 "
 `;