feat: add performance tests workflow

.github/workflows/perf-test.yml

@@ -0,0 +1,64 @@
+name: Trigger SDK Tests Build
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+    inputs:
+      sha:
+        description: 'Git SHA to build (defaults to current HEAD)'
+        required: false
+        type: string
+
+jobs:
+  trigger-sdk-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Get commit SHA
+        id: get-sha
+        run: |
+          if [ -n "${{ github.event.inputs.sha }}" ]; then
+            echo "sha=${{ github.event.inputs.sha }}" >> $GITHUB_OUTPUT
+          else
+            echo "sha=${{ github.sha }}" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Generate GitHub App token
+        id: generate-token
+        uses: peter-murray/workflow-application-token-action@v2
+        with:
+          application_id: ${{ secrets.EVALUATION_PROXY_INTEGRATION_APP_ID }}
+          application_private_key: ${{ secrets.EVALUATION_PROXY_INTEGRATION_KEY }}
+
+      - name: Trigger sdk-tests workflow
+        run: |
+          curl -X POST \
+            -H "Accept: application/vnd.github.v3+json" \
+            -H "Authorization: token ${{ steps.generate-token.outputs.token }}" \
+            https://api.github.com/repos/amplitude/sdk-tests/dispatches \
+            -d '{
+              "event_type": "evaluation-proxy-tests",
+              "client_payload": {
+                "sha": "${{ steps.get-sha.outputs.sha }}",
+                "ref": "${{ github.ref }}",
+                "repo_url": "${{ github.repositoryUrl }}",
+                "triggered_by": "${{ github.actor }}",
+                "workflow_run_id": "${{ github.run_id }}"
+              }
+            }'
+
+      - name: Output summary
+        run: |
+          echo "## Triggered SDK Tests" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "- **SHA**: ${{ steps.get-sha.outputs.sha }}" >> $GITHUB_STEP_SUMMARY
+          echo "- **Ref**: ${{ github.ref }}" >> $GITHUB_STEP_SUMMARY
+          echo "- **Triggered by**: ${{ github.actor }}" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "Check the [sdk-tests workflow runs](https://github.com/amplitude/sdk-tests/actions) for build progress." >> $GITHUB_STEP_SUMMARY