Update pipeline example-python

Author: thomasrockhu-codecov

.harness/pipelines/example-python.yaml

@@ -27,6 +27,19 @@ pipeline:
                   spec:
                     shell: Sh
                     command: pytest --cov app
+              - step:
+                  type: Run
+                  name: Upload to Codecov
+                  identifier: Codecov
+                  spec:
+                    shell: Sh
+                    command: |
+                      curl https://keybase.io/codecovsecurity/pgp_keys.asc | gpg --no-default-keyring --keyring trustedkeys.gpg --import # One-time step   curl -Os https://cli.codecov.io/latest/linux/codecov curl -Os https://cli.codecov.io/latest/linux/codecov.SHA256SUM curl -Os https://cli.codecov.io/latest/linux/codecov.SHA256SUM.sig
+                      gpgv codecov.SHA256SUM.sig codecov.SHA256SUM
+                      shasum -a 256 -c codecov.SHA256SUM
+                      ./codecov --verbose upload-process -t $CODECOV_TOKEN
+                    envVariables:
+                      CODECOV_TOKEN: <+secrets.getValue("CODECOV_TOKEN")>
           platform:
             os: Linux
             arch: Amd64