ci: Fix npm package.json path

Author: joaoborks

.releaserc.json

@@ -4,7 +4,7 @@
     ["@semantic-release/commit-analyzer", { "preset": "angular" }],                          
     "@semantic-release/release-notes-generator",                                             
     ["@semantic-release/changelog", { "preset": "angular" }],                                
-    ["@semantic-release/npm", { "npmPublish": false }],                      
+    ["@semantic-release/npm", { "npmPublish": false, "pkgRoot": "Packages/mygamedevtools-scene-loader" }],                      
     ["@semantic-release/git", {                                                              
       "assets": ["Packages/mygamedevtools-scene-loader/package.json", "CHANGELOG.md"],                                            
       "message": "build(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"