Switch IntegrationTest to pull_request_target, add fail-fast false (ITensor#1720)

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: 2 people

.github/workflows/IntegrationTest.yml

@@ -4,7 +4,7 @@ on:
     branches:
       - "main"
     tags: "*"
-  pull_request:
+  pull_request_target:
     types:
       - "opened"
       - "synchronize"
@@ -15,6 +15,7 @@ jobs:
   integration-test:
     name: "IntegrationTest"
     strategy:
+      fail-fast: false
       matrix:
         pkg:
           - "ITensorGaussianMPS"
@@ -28,7 +29,6 @@ jobs:
     with:
       localregistry: "https://github.com/ITensor/ITensorRegistry.git"
       pkg: "${{ matrix.pkg }}"
-      is-fork-pr: ${{ github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name }}
   integration-gate:
     name: "IntegrationTest"
     needs: "integration-test"

.github/workflows/IntegrationTestRequest.yml

@@ -8,7 +8,7 @@ jobs:
     if: |
       github.event.issue.pull_request &&
       contains(fromJSON('["OWNER", "COLLABORATOR", "MEMBER"]'), github.event.comment.author_association)
+
     uses: "ITensor/ITensorActions/.github/workflows/IntegrationTestRequest.yml@main"
     with:
       localregistry: "https://github.com/ITensor/ITensorRegistry.git"
-    secrets: "inherit"