ci(BACK-7982): add workflow to format descriptors (#90)

* ci(BACK-7982): add workflow to format descriptors

see LedgerHQ/python-erc7730#147
job runs daily and opens a pull request with formatted descriptors

* ci(BACK-7982): fixes

* ci(BACK-7982): simplify

.github/workflows/format.yml

@@ -0,0 +1,75 @@
+---
+name: 🤖 format descriptors
+
+on:
+  schedule:
+    - cron: '0 7 * * *'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  BRANCH: "master"
+
+jobs:
+  format:
+    name: format descriptors
+    runs-on: public-ledgerhq-shared-small
+    timeout-minutes: 60
+    steps:
+
+      - name: Checkout
+        timeout-minutes: 10
+        uses: actions/checkout@v4
+
+      - name: Get date
+        timeout-minutes: 10
+        run: echo "CURRENT_DATE=$(date +"%Y-%m-%d %H:%M")" >> $GITHUB_ENV
+
+      - name: Setup python
+        timeout-minutes: 10
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+          cache: 'pip'
+
+      - name: Login to Ledger JFrog
+        timeout-minutes: 10
+        uses: LedgerHQ/actions-security/actions/jfrog-login@actions/jfrog-login-1
+
+      - name: Setup pip
+        timeout-minutes: 10
+        run: jf pipc --global --repo-resolve=virtual-pypi-prod-green
+
+      - name: Install ERC-7730 library
+        timeout-minutes: 10
+        run: jf pip install erc7730
+
+      - name: Format ERC-7730 descriptors
+        timeout-minutes: 10
+        run: erc7730 format
+
+      - name: Check changes
+        id: changes
+        timeout-minutes: 10
+        shell: bash
+        run: |
+          [[ -n "$(git status -s)" ]] && echo "changes=true" >> $GITHUB_OUTPUT || true
+
+      - name: Open pull request
+        if: ${{ !cancelled() && steps.changes.outputs.changes == 'true' }}
+        timeout-minutes: 10
+        uses: peter-evans/create-pull-request@v6
+        with:
+          token: ${{ secrets.CI_BOT_TOKEN }}
+          author: ${{ secrets.CI_BOT_USERNAME }} <${{ secrets.CI_BOT_USERNAME }}@users.noreply.github.com>
+          branch: ${{ env.BRANCH }}-format-descriptors
+          base: ${{ env.BRANCH }}
+          delete-branch: false
+          commit-message: 'chore: format descriptors - ${{ env.CURRENT_DATE }}'
+          title: 'chore: format descriptors - ${{ env.CURRENT_DATE }}'
+          body: ${{ steps.submodules.outputs.prBody }}
+          draft: false
+          signoff: false