fix: add ETHERSCAN_TOKEN to core tests run

Author: iamnp

.github/workflows/core_tests.yml

@@ -22,7 +22,7 @@ jobs:
 
     services:
       tests-runner:
-        image: ghcr.io/lidofinance/scripts:v20
+        image: ghcr.io/lidofinance/scripts:v21
         ports:
           - 8546:8546
         volumes:
@@ -49,9 +49,10 @@ jobs:
         run: timeout 30 bash -c 'until printf "" 2>>/dev/null >>/dev/tcp/$0/$1; do sleep 1; done' 127.0.0.1 8546
 
       - name: Prepare test environment with Brownie
-        run: docker exec -e GITHUB_TOKEN -e ETH_RPC_URL tests-runner bash -c 'make ci-prepare-environment'
+        run: docker exec -e GITHUB_TOKEN -e ETH_RPC_URL -e ETHERSCAN_TOKEN tests-runner bash -c 'make ci-prepare-environment'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ETHERSCAN_TOKEN: ${{ secrets.ETHERSCAN_TOKEN }}
 
       - name: Run core tests
         run: docker exec -e CORE_TESTS_TARGET_RPC_URL tests-runner bash -c 'make test-core'