packages/cli: target modern browsers and switch output to module

plugins/graphiql/package.json

@@ -16,7 +16,7 @@
     "backstage"
   ],
   "license": "Apache-2.0",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "scripts": {
     "build": "backstage-cli plugin:build",

plugins/home-page/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-home-page",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "license": "Apache-2.0",
   "private": true,

plugins/inventory/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-inventory",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "license": "Apache-2.0",
   "private": true,

plugins/lighthouse/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-lighthouse",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "license": "Apache-2.0",
   "private": true,

plugins/tech-radar/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-tech-radar",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "license": "Apache-2.0",
   "private": true,

plugins/welcome/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@backstage/plugin-welcome",
   "version": "0.1.1-alpha.4",
-  "main": "dist/index.cjs.js",
+  "main": "dist/index.esm.js",
   "types": "dist/index.d.ts",
   "private": true,
   "license": "Apache-2.0",