fix(deps): update dependency @rollup/plugin-json to v6

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.changeset/renovate-19742c3.md

@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Updated dependency `@rollup/plugin-json` to `^6.0.0`.

packages/cli/package.json

@@ -47,7 +47,7 @@
     "@octokit/request": "^6.0.0",
     "@pmmmwh/react-refresh-webpack-plugin": "^0.5.7",
     "@rollup/plugin-commonjs": "^25.0.0",
-    "@rollup/plugin-json": "^5.0.0",
+    "@rollup/plugin-json": "^6.0.0",
     "@rollup/plugin-node-resolve": "^15.0.0",
     "@rollup/plugin-yaml": "^4.0.0",
     "@spotify/eslint-config-base": "^14.0.0",

yarn.lock

@@ -3615,7 +3615,7 @@ __metadata:
     "@octokit/request": ^6.0.0
     "@pmmmwh/react-refresh-webpack-plugin": ^0.5.7
     "@rollup/plugin-commonjs": ^25.0.0
-    "@rollup/plugin-json": ^5.0.0
+    "@rollup/plugin-json": ^6.0.0
     "@rollup/plugin-node-resolve": ^15.0.0
     "@rollup/plugin-yaml": ^4.0.0
     "@spotify/eslint-config-base": ^14.0.0
@@ -15361,17 +15361,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@rollup/plugin-json@npm:^5.0.0":
-  version: 5.0.2
-  resolution: "@rollup/plugin-json@npm:5.0.2"
+"@rollup/plugin-json@npm:^6.0.0":
+  version: 6.0.1
+  resolution: "@rollup/plugin-json@npm:6.0.1"
   dependencies:
     "@rollup/pluginutils": ^5.0.1
   peerDependencies:
-    rollup: ^1.20.0||^2.0.0||^3.0.0
+    rollup: ^1.20.0||^2.0.0||^3.0.0||^4.0.0
   peerDependenciesMeta:
     rollup:
       optional: true
-  checksum: 9b5f90ea311dfcfacf0f38af39bbb1954ea56d6faecdee3d528f73d0e02da96a0706ab21fae0c8eef9bb5d756f6f50b40b5a252ffd9800397012b5bac6764b6f
+  checksum: 86995e3ceec0205bd0b5ae3075f4592e0ab3e6e6327a5dcfc825b44113eaae5819d26d5403d29b177ac59299e0b08c641c8d030e0c72805b92805ededc9cac44
   languageName: node
   linkType: hard