ci: fix and rename deployment integ test script

Running via node directly instead of lerna will keep the cwd at the root as expected.

Author: Abogical

.github/workflows/integration-test-deployment.yml

@@ -104,7 +104,7 @@ jobs:
         run: npx lerna run build --scope=@aws-cdk-testing/framework-integ 
 
       - name: Run integration tests using integration-test-deployment script
-        run: yarn run deploy-changed-snapshots
+        run: yarn run atmosphere-integ-test
         env:
           CDK_ATMOSPHERE_ENDPOINT: ${{ vars.CDK_ATMOSPHERE_ENDPOINT }}
           CDK_ATMOSPHERE_POOL: ${{ vars.CDK_ATMOSPHERE_POOL}}

package.json

@@ -13,7 +13,7 @@
     "compat": "./scripts/check-api-compatibility.sh",
     "bump": "./bump.sh",
     "build-all": "tsc -b",
-    "deploy-changed-snapshots": "lerna run build --scope @aws-cdk/integration-test-deployment && lerna run integration-test-deployment"
+    "atmosphere-integ-test": "lerna run build --scope @aws-cdk/integration-test-deployment && node tools/@aws-cdk/integration-test-deployment/bin/index.js"
   },
   "devDependencies": {
     "@nx/workspace": "^20",