generate code coverage in a format compatible with Codecov

.circleci/config.yml

@@ -30,9 +30,9 @@ jobs:
       - run:
           name: run tests with coverage
           command: |
-            docker compose --profile test run --env HARNESS_PERL_SWITCHES=-MDevel::Cover -v ./cover_db:/app/cover_db/ api-test bash -c 'prove -lr -j4 t && cover -report json'
+            docker compose --profile test run --env HARNESS_PERL_SWITCHES=-MDevel::Cover -v ./cover_db:/app/cover_db/ api-test bash -c 'prove -lr -j4 t && cover -report codecovbash'
       # We are relying on environment variables from the host to be available when
       # we publish the report, so we publish from the host rather than trying
       # to propagate env variables to the container.
       - codecov/upload:
-          file: cover_db/cover.json
+          file: cover_db/codecov.json

cpanfile

@@ -162,4 +162,5 @@ on develop => sub {
     requires 'PPIx::Regexp', '0.085'; # Perl::Critic
     requires 'String::Format', '1.18'; # Perl::Critic
     requires 'Devel::Cover';
+    requires 'Devel::Cover::Report::Codecovbash';
 };