fix(test): codecov is failing when running in container

[neilime]

When running tests for reusable workflow "continuous-integration" with provied container, the codecov action is failing:

gpg: invalid rootdir '${GNUPG_BUILD_ROOT:-/github/home/.pkgx/gnupg.org/v2.4.8}/' specified in gpgconf.ctl
gpg: directory '/github/home/.gnupg' created
gpg: no valid OpenPGP data found.
gpg: Total number processed: 0
==> Verifying GPG signature integrity
 -> Downloading https://cli.codecov.io/latest/linux/codecov.SHA256SUM
 -> Downloading https://cli.codecov.io/latest/linux/codecov.SHA256SUM.sig
 
gpg: invalid rootdir '${GNUPG_BUILD_ROOT:-/github/home/.pkgx/gnupg.org/v2.4.8}/' specified in gpgconf.ctl
gpg: can't open 'codecov.SHA256SUM.sig': No such file or directory
gpg: verify signatures failed: No such file or directory
==> Could not verify signature. Please contact Codecov if problem continues
sha256sum: codecov.SHA256SUM: No such file or directory
==> Could not verify SHASUM. Please contact Codecov if problem continues
==> CLI integrity verified

Example: https://github.com/hoverkraft-tech/ci-github-nodejs/actions/runs/19762218966/job/56626889360