Move into actions subdirectory to prepare for migration to github/codeql

actions/ql/test/query-tests/Models/.github/workflows/calling_composite.yml

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+on: [push]
+
+jobs:
+  hello_world_job:
+    runs-on: ubuntu-latest
+    name: A job to say hello
+    steps:
+      - uses: actions/checkout@v4
+      - id: foo
+        uses: some-org/test-action@v1
+        with:
+          who-to-greet: ${{ github.event.pull_request.head.ref }} 
+      - run: echo ${{ steps.foo.outputs.reflected}}
+      - run: echo ${{ steps.foo.outputs.tainted}}
+

actions/ql/test/query-tests/Models/.github/workflows/calling_workflow.yml

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+name: Call a reusable workflow and use its outputs
+
+on:
+  workflow_dispatch:
+
+jobs:
+  call1:
+    uses: octo-org/this-repo/.github/workflows/reusable_workflow.yml@172239021f7ba04fe7327647b213799853a9eb89
+    with:
+      config-path: ${{ github.event.pull_request.head.ref }}
+  call2:
+    uses: ./.github/workflows/reusable_workflow.yml
+    with:
+      config-path: ${{ github.event.pull_request.head.ref }}
+  call3:
+    uses: octo-org/summary-repo/.github/workflows/workflow.yml@v1
+    with:
+      config-path: ${{ github.event.pull_request.head.ref }}
+  call4:
+    uses: octo-org/source-repo/.github/workflows/workflow.yml@v1
+  call5:
+    uses: octo-org/sink-repo/.github/workflows/workflow.yml@v1
+    with:
+      config-path: ${{ github.event.pull_request.head.ref }}
+
+  job1:
+    runs-on: ubuntu-latest
+    needs: call1
+    steps:
+      - run: echo ${{ needs.call1.outputs.workflow-output }}
+  job2:
+    runs-on: ubuntu-latest
+    needs: call2
+    steps:
+      - run: echo ${{ needs.call2.outputs.workflow-output1 }}
+      - run: echo ${{ needs.call2.outputs.workflow-output2 }}
+  job3:
+    runs-on: ubuntu-latest
+    needs: call3
+    steps:
+      - run: echo ${{ needs.call3.outputs.workflow-output }}
+  job4:
+    runs-on: ubuntu-latest
+    needs: call4
+    steps:
+      - run: echo ${{ needs.call4.outputs.workflow-output }}
+

actions/ql/test/query-tests/Models/.github/workflows/reusable_workflow.yml

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+name: Reusable workflow example
+
+on:
+  workflow_call:
+    inputs:
+      config-path:
+        required: true
+        type: string
+    outputs:
+      workflow-output1:
+        value: ${{ jobs.job1.outputs.job-output1 }}
+      workflow-output2:
+        value: ${{ jobs.job1.outputs.job-output2 }}
+    secrets:
+      token:
+        required: true
+
+jobs:
+  job1:
+    runs-on: ubuntu-latest
+    outputs:
+      job-output1: ${{ steps.step1.outputs.step-output}}
+      job-output2: ${{ steps.step2.outputs.all_changed_files}}
+    steps:
+      - id: step1
+        env:
+          CONFIG_PATH: ${{ inputs.config-path }}
+        run: |
+          echo ${{ inputs.config-path }}
+          echo "::set-output name=step-output::$CONFIG_PATH"
+      - name: Get changed files
+        id: step2
+        uses: tj-actions/changed-files@v40
+