Fix merged durations file name and put node_modules outside bind volume

Author: Janne Rönkkö

.github/workflows/shared-run-e2e.yml

@@ -329,11 +329,11 @@ jobs:
             -i \
             --rm \
             -v $(pwd):$(pwd) \
-            -w $(pwd) \
+            -w /tmp \
             node:24-alpine \
             sh <<EOF
           npm install cypress-split
-          ./node_modules/.bin/cypress-split-merge --parent-folder . --split-file durations.out.json --output timings.merged.json
+          ./node_modules/.bin/cypress-split-merge --parent-folder $(pwd) --split-file durations.out.json --output $(pwd)/e2e-test-durations.json
           EOF
 
       - name: Check if timings have updates