Add lab template CICD actions (#297)

.github/workflows/checks.yaml

@@ -0,0 +1,21 @@
+name: checks
+on: [push, pull_request]
+jobs:
+  deps:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install pipenv
+          pipenv install --skip-lock  # this is what Elastic beanstalk uses

.github/workflows/pr-priority-label.yaml

@@ -0,0 +1,23 @@
+name: Pull Request Has Priority Label
+on:
+  pull_request:
+    types: [opened, labeled, unlabeled, synchronize]
+jobs:
+  pr-priority-label:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    outputs:
+      status: ${{ steps.check-labels.outputs.status }}
+    steps:
+      - id: check-labels
+        uses: mheap/github-action-required-labels@v5
+        with:
+          mode: exactly
+          count: 1
+          labels: "priority:*"
+          use_regex: true
+          add_comment: true
+          message: "PRs require a priority label. Please add one."
+          exit_type: failure