Bind schemas to factory files, add support for groups in VPC-SC schema

https://cloud.google.com/vpc-service-controls/docs/release-notes#July_31_2024

.vscode/settings.json

@@ -6,5 +6,25 @@
       ],
       "url": "http://json-schema.org/draft-07/schema#"
     }
-  ]
-}
+  ],
+  "yaml.schemas": {
+    "modules/project-factory/schemas/budget.schema.json": [
+      "budgets/**/*yaml"
+    ],
+    "modules/project-factory/schemas/folder.schema.json": [
+      "folders/**/*yaml"
+    ],
+    "modules/project-factory/schemas/project.schema.json": [
+      "projects/**/*yaml"
+    ],
+    "modules/vpc-sc/schemas/access-level.schema.json": [
+      "access-levels/**/*yaml"
+    ],
+    "modules/vpc-sc/schemas/egress-policy.schema.json": [
+      "egress-policies/**/*yaml"
+    ],
+    "modules/vpc-sc/schemas/ingress-policy.schema.json": [
+      "ingress-policies/**/*yaml"
+    ],
+  }
+}

modules/vpc-sc/schemas/egress-policy.schema.json

@@ -24,7 +24,8 @@
         "identities": {
           "type": "array",
           "items": {
-            "type": "string"
+            "type": "string",
+            "pattern": "^(?:serviceAccount:|user:|group:|principal:)"
           }
         }
       }
@@ -72,4 +73,4 @@
       }
     }
   }
-}
+}

modules/vpc-sc/schemas/ingress-policy.schema.json

@@ -30,7 +30,8 @@
         "identities": {
           "type": "array",
           "items": {
-            "type": "string"
+            "type": "string",
+            "pattern": "^(?:serviceAccount:|user:|group:|principal:)"
           }
         },
         "resources": {
@@ -80,4 +81,4 @@
       }
     }
   }
-}
+}