Depenency updates (#3472) (#3481)

* update requirements

* automate everything

(cherry picked from commit 12a321ed4f)

Co-authored-by: Matthias Mair <code@mjmair.com>

.github/workflows/update.yml

@@ -0,0 +1,22 @@
+name: Update dependency files regularly
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup
+        run: pip install -r requirements-dev.txt
+      - name: Update requirements.txt
+        run: pip-compile --output-file=requirements.txt requirements.in -U
+      - name: Update requirements-dev.txt
+        run: pip-compile --generate-hashes --output-file=requirements-dev.txt requirements-dev.in -U
+      - uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: "[Bot] Updated dependency"
+          branch: dep-update