build: fix pqc test

Author: diegomarquezp

.github/workflows/pqc-tests.yml

@@ -40,11 +40,11 @@ jobs:
         cd google-http-java-client
         mvn clean install -DskipTests=true -Dcheckstyle.skip -Dclirr.skip -Denforcer.skip -Dfmt.skip
 
-    # 5. Build and Install sdk-platform-java core libraries first (excluding circular pqc-test)
+    # 5. Build and Install sdk-platform-java core libraries first (using monorepo root reactor to resolve siblings)
     - name: Build and Install sdk-platform-java Core
       run: |
-        cd google-cloud-java-pqc/sdk-platform-java
-        mvn clean install -pl '!pqc-test' -T 1.5C -Dcheckstyle.skip -Dclirr.skip -Denforcer.skip -Dfmt.skip -DskipTests=true
+        cd google-cloud-java-pqc
+        mvn clean install -pl :gax,:gax-grpc,:gax-httpjson -am -Dcheckstyle.skip -Dclirr.skip -Denforcer.skip -Dfmt.skip -DskipTests=true
 
     # 6. Build and Install snapshot bigquery, java-translate, and pqc-test targets (specifying actual sub-modules)
     - name: Build and Install Client Snapshot Libraries and Test Modules