Add date to branch name

Author: parthea

.github/workflows/main.yml

@@ -32,14 +32,18 @@ jobs:
     if: |
       ${{github.event.pull_request.user.login == 'parthea' && github.event.pull_request.title == 'chore: Add github action to update discovery artifacts'}}
     steps:
+      - name: Get current date
+        id: date
+        run: echo "::set-output name=current_date::$(date +'%Y-%m-%d')"
+
       - name: Check out master branch
         uses: actions/checkout@v2
         with:
           ref: refs/heads/master
 
       - name: Create branch
         run: |
-          git checkout -b update-discovery-artifacts
+          git checkout -b update-discovery-artifacts-${{ steps.date.outputs.current_date }}
 
       - name: Set up Python 3.9
         uses: actions/setup-python@v1
@@ -69,7 +73,7 @@ jobs:
         working-directory: ./scripts
 
       - name: Push changes
-        run: git push -f --set-upstream origin update-discovery-artifacts
+        run: git push -f --set-upstream origin update-discovery-artifacts-${{ steps.date.outputs.current_date }}
 
       - name: Prepare summary for PR Body
         id: pr_body
@@ -90,7 +94,7 @@ jobs:
           script: |
             async function createPR () {
               const { owner, repo } = context.repo
-              const branch = 'update-discovery-artifacts'
+              const branch = 'update-discovery-artifacts-${{ steps.date.outputs.current_date }}'
               let prBody = `${{ steps.pr_body.outputs.change_summary }}`
               const prTitle = 'chore: Update discovery artifacts'
               const pullRequests = await github.pulls.list({