Fix bug w/ diff between ngen and cal images.

Fixing issue where main ngen worker and calibration images would not
necessarily be built using the same ngen branch or commit due to the
Docker compose build config not applying all ngen .env-sourced ARGS to
the calibration image build.

docker/main/docker-build.yml

@@ -103,6 +103,8 @@ services:
       target: ngen_cal_worker
       args:
         REPO_URL: ${NGEN_REPO_URL?No NGen repo url configured}
+        BRANCH: ${NGEN_BRANCH?No NGen branch configured}
+        COMMIT: ${NGEN_COMMIT}
         NGEN_CAL_BRANCH: ${NGEN_CAL_BRANCH:-master}
         NGEN_CAL_COMMIT: ${NGEN_CAL_COMMIT}
         TROUTE_REPO_URL: ${TROUTE_REPO_URL:-https://github.com/NOAA-OWP/t-route}