fix(@angular-devkit/architect): resolve builder aliases from containing package

When resolving a builder alias, the base path for the resolution will now
use the containing package. This prevents potential resolution failure due
to varying package manager installation strategies.

(cherry picked from commit 57d57b4)

Author: clydin

packages/angular_devkit/architect/node/node-modules-architect-host.ts

@@ -126,7 +126,11 @@ export class WorkspaceNodeModulesArchitectHost implements ArchitectHost<NodeModu
    * @param builderStr The name of the builder to be used.
    * @returns All the info needed for the builder itself.
    */
-  resolveBuilder(builderStr: string, seenBuilders?: Set<string>): Promise<NodeModulesBuilderInfo> {
+  resolveBuilder(
+    builderStr: string,
+    basePath = this._root,
+    seenBuilders?: Set<string>,
+  ): Promise<NodeModulesBuilderInfo> {
     if (seenBuilders?.has(builderStr)) {
       throw new Error(
         'Circular builder alias references detected: ' + [...seenBuilders, builderStr],
@@ -140,7 +144,7 @@ export class WorkspaceNodeModulesArchitectHost implements ArchitectHost<NodeModu
 
     // Resolve and load the builders manifest from the package's `builders` field, if present
     const packageJsonPath = localRequire.resolve(packageName + '/package.json', {
-      paths: [this._root],
+      paths: [basePath],
     });
 
     const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf-8')) as { builders?: string };
@@ -170,7 +174,11 @@ export class WorkspaceNodeModulesArchitectHost implements ArchitectHost<NodeModu
 
     // Resolve alias reference if entry is a string
     if (typeof builder === 'string') {
-      return this.resolveBuilder(builder, (seenBuilders ?? new Set()).add(builderStr));
+      return this.resolveBuilder(
+        builder,
+        path.dirname(packageJsonPath),
+        (seenBuilders ?? new Set()).add(builderStr),
+      );
     }
 
     // Determine builder implementation path (relative within package only)