ci: Fix download/verify codecov in builder image (#3519)

.changeset/empty-emus-own.md

+---
+'@eth-optimism/ci-builder': patch
+---
+
+Fix codecov download step

.circleci/config.yml

@@ -153,7 +153,7 @@ jobs:
       - run:
           name: upload coverage
           command: |
-           ./codecov --verbose || exit 0
+            codecov --verbose || exit 0
           environment:
             FOUNDRY_PROFILE: ci
       - run:
@@ -309,7 +309,7 @@ jobs:
       - run:
           name: Upload coverage reports to CodeCov
           command: |
-            ./codecov --verbose || exit 0
+            codecov --verbose || exit 0
       - store_test_results:
           path: /test-results
       - run:

ops/docker/ci-builder/Dockerfile

@@ -84,10 +84,12 @@ RUN echo "downloading solidity compilers" && \
   rm solc-linux-amd64-v0.8.12+commit.f00d7308
 
 RUN echo "downloading and verifying Codecov uploader" && \
-  curl https://keybase.io/codecovsecurity/pgp_keys.asc | gpg --no-default-keyring --keyring trustedkeys.gpg --import # One-time step && \
+  curl https://keybase.io/codecovsecurity/pgp_keys.asc | gpg --no-default-keyring --keyring trustedkeys.gpg --import && \
   curl -Os "https://uploader.codecov.io/latest/linux/codecov" && \
   curl -Os "https://uploader.codecov.io/latest/linux/codecov.SHA256SUM" && \
   curl -Os "https://uploader.codecov.io/latest/linux/codecov.SHA256SUM.sig" && \
   gpgv codecov.SHA256SUM.sig codecov.SHA256SUM && \
   shasum -a 256 -c codecov.SHA256SUM || sha256sum -c codecov.SHA256SUM && \
-  chmod +x codecov
+  cp codecov /usr/local/bin/codecov && \
+  chmod +x /usr/local/bin/codecov  && \
+  rm codecov