Add appinspect stage

Author: Ickerday

.github/workflows/appinspect.yml

@@ -0,0 +1,26 @@
+name: Validate SDK with Splunk AppInspect
+on: [ pull_request ]
+
+env:
+  PYTHON_VERSION: 3.13
+
+jobs:
+  appinspect:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: ./.github/actions/setup-sdk-environment
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          deps-group: lint
+      - name: Install splunk-appinspect dependencies
+        run: sudo apt-get install -y libmagic1
+      - name: Install splunk-appinspect
+        run: uv tool install --no-config splunk-appinspect
+      - name: Copy splunklib to a test app and package it as a mock app
+        run: |
+          mkdir -p tests/system/test_apps/generating_app/bin/lib/splunklib
+          cp -r splunklib/ tests/system/test_apps/generating_app/bin/lib/splunklib
+          tar -czf mock_app.tgz -C tests/system/test_apps generating_app
+      - name: Validate mock app with splunk-appinspect
+        run: splunk-appinspect inspect mock_app.tgz --included-tags cloud