chore: move bump logic to scripts

affects: @subsquid/hydra-indexer

Author: dzhelezov

.github/workflows/polkadot-bump.yml

@@ -31,9 +31,7 @@ jobs:
       - name: Yarn upgrade 
         shell: bash
         run: |
-          $(cd ./packages/hydra-indexer && npm upgrade @polkadot/api --latest && rm -rf package-lock.json)
-          npm dedupe
-          echo "::set-output name=POLKADOT_API_VERSION::$(cd "./packages/hydra-indexer" && node -p "require('./package.json').dependencies['@polkadot/api']")"
+          echo "::set-output name=POLKADOT_API_VERSION::$(. ./scripts/bump-polkadot.sh)"
           yarn
         id: yarn_upgrade
 

scripts/bump-polkadot.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+cd ./packages/hydra-indexer && npm install @polkadot/api@latest && rm -rf package-json.lock
+version="$(node -p "require('./package.json').dependencies['@polkadot/api']")"
+echo "${version//^}"

yarn.lock

@@ -12544,4 +12544,4 @@ zen-observable-ts@^1.0.0:
 zen-observable@0.8.15, zen-observable@^0.8.0:
   version "0.8.15"
   resolved "https://registry.yarnpkg.com/zen-observable/-/zen-observable-0.8.15.tgz#96415c512d8e3ffd920afd3889604e30b9eaac15"
-  integrity sha512-PQ2PC7R9rslx84ndNBZB/Dkv8V8fZEpk83RLgXtYd0fwUgEjseMn1Dgajh2x6S8QbZAFa9p2qVCEuYZNgve0dQ==
+  integrity sha512-PQ2PC7R9rslx84ndNBZB/Dkv8V8fZEpk83RLgXtYd0fwUgEjseMn1Dgajh2x6S8QbZAFa9p2qVCEuYZNgve0dQ==