chore(ci): add workflow stubs for PR testing

Add minimal workflow stubs to enable PR testing of new workflows.
These stubs will be replaced by full implementations in gitleaks branch PR.

Author: cameronraysmith

.github/workflows/package-release.yaml

@@ -0,0 +1,18 @@
+name: Package Release
+
+on:
+  workflow_call:
+    inputs:
+      package-name:
+        required: true
+        type: string
+      package-path:
+        required: true
+        type: string
+
+jobs:
+  stub:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Workflow stub
+        run: echo "Stub - full implementation in PR"

.github/workflows/package-test.yaml

@@ -0,0 +1,18 @@
+name: Package Test
+
+on:
+  workflow_call:
+    inputs:
+      package-name:
+        required: true
+        type: string
+      package-path:
+        required: true
+        type: string
+
+jobs:
+  stub:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Workflow stub
+        run: echo "Stub - full implementation in PR"