use new codecov uploader

Author: mmoll

.travis.yml

@@ -81,7 +81,17 @@ jobs:
         - vendor/bin/phpstan analyse --no-progress # Run PHPStan
 
 after_success:
-- curl -s https://codecov.io/bash | bash
+  - |
+    if [ "${TRAVIS_PHP_VERSION}" == "7.4" ] && [ "${DEPENDENCIES}" = "highest" ]; then
+      curl https://keybase.io/codecovsecurity/pgp_keys.asc | 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 &&
+      gpg --verify codecov.SHA256SUM.sig codecov.SHA256SUM &&
+      shasum -a 256 -c codecov.SHA256SUM &&
+      chmod +x codecov &&
+      ./codecov -t ${CODECOV_TOKEN}
+    fi
 
 notifications:
   slack: