Add github actions for slow and gpu tests (#10225)

* Add github actions for slow and gpu tests

* change weekly GPU tests to also run slow tests, and change the time

* only run the tests if there were commits in the past day

.github/workflows/gputests.yml

@@ -0,0 +1,19 @@
+on:
+  schedule:
+    - cron: '0 1 * * MON'
+
+jobs:
+  weekly-gputests:
+    strategy:
+      matrix:
+        branch: [master, develop, v4]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger buildkite build
+        uses: buildkite/trigger-pipeline-action@v1.2.0
+        env:
+          PIPELINE: explosion-ai/spacy-slow-gpu-tests
+          BRANCH: ${{ matrix.branch }}
+          MESSAGE: ":github: Weekly GPU + slow tests - triggered from a GitHub Action"
+        secrets:
+          BUILDKITE_API_ACCESS_TOKEN: ${{ secrets.BUILDKITE_SECRET }}

.github/workflows/slowtests.yml

@@ -0,0 +1,32 @@
+on:
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  daily-slowtests:
+    strategy:
+      matrix:
+        branch: [master, develop, v4]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get commits from past 24 hours
+        id: check_commits
+        run: |
+          today=$(date '+%Y-%m-%d %H:%M:%S')
+          yesterday=$(date -v-1d '+%Y-%m-%d %H:%M:%S')
+          if git log --after=$yesterday --before=$today | grep commit ; then
+            echo "::set-output name=run_tests::true"
+          else
+            echo "::set-output name=run_tests::false"
+          fi
+
+      - name: Trigger buildkite build
+        needs: check_commits
+        if: needs.check_commits.outputs.run_tests == 'true'
+        uses: buildkite/trigger-pipeline-action@v1.2.0
+        env:
+          PIPELINE: explosion-ai/spacy-slow-tests
+          BRANCH: ${{ matrix.branch }}
+          MESSAGE: ":github: Daily slow tests - triggered from a GitHub Action"
+        secrets:
+          BUILDKITE_API_ACCESS_TOKEN: ${{ secrets.BUILDKITE_SECRET }}