chore: remove yarn dedupe from action

Author: dzhelezov

.github/workflows/polkadot-bump.yml

@@ -22,9 +22,10 @@ jobs:
       - name: Yarn upgrade 
         shell: bash
         run: |
-          cd ./packages/hydra-indexer && npm upgrade @polkadot/api --latest
+          cd ./packages/hydra-indexer && npm upgrade @polkadot/api --latest && rm -rf package-lock.json
           npm dedupe
-          echo "::set-output name=POLKADOT_API_VERSION::$(cd "packages/hydra-indexer" && node -p "require('./package.json').dependencies['@polkadot/api']")"
+          echo "::set-output name=POLKADOT_API_VERSION::$(cd "./packages/hydra-indexer" && node -p "require('./package.json').dependencies['@polkadot/api']")"
+          yarn
         id: yarn_upgrade
 
       - name: Create PR