Tag v14 branch with latest

Signed-off-by: Sean Sundberg <seansund@us.ibm.com>

Author: Sean Sundberg

.github/workflows/docker-build.yaml

@@ -28,7 +28,7 @@ jobs:
           else
             echo "Running against branch: ${BRANCH}"
             TAGS="${TAG_BASE}:${BRANCH}"
-            if [[ "${BRANCH}" == "main" ]]; then
+            if [[ "${BRANCH}" == "v14" ]]; then
               TAGS="${TAGS},${TAG_BASE}:latest"
             fi
           fi