chore: updated pipelines to run postman collection separately

Author: ClarksonAdam

.github/workflows/run-postman-collection.yml

@@ -0,0 +1,18 @@
+name: Run postman collection
+on:
+    workflow_dispatch:
+
+jobs:
+    run-postman-collection:
+        runs-on: ubuntu-latest
+        steps:
+            -   name: Check out the repository
+                uses: actions/checkout@v4
+            -   name: Set up Node.js
+                uses: actions/setup-node@v4
+                with:
+                    node-version: '22'
+            -   name: Install Newman
+                run: npm install -g newman
+            -   name: Run Postman Collection
+                run: newman run ./postman/Validate_Relationship_Service_Sandbox.postman_collection.json

.github/workflows/sandbox-checks.yaml

@@ -24,17 +24,3 @@ jobs:
       - name: Run Sandbox Unit Tests
         run: make test
         working-directory: ./sandbox
-
-  run-postman-collection:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out the repository
-        uses: actions/checkout@v4
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '22'
-      - name: Install Newman
-        run: npm install -g newman
-      - name: Run Postman Collection
-        run: newman run ./postman/Validate_Relationship_Service_Sandbox.postman_collection.json