Adds snapshot docker builds for v1.17
diff --git a/.github/workflows/snapshot.yml b/.github/workflows/snapshot.yml
index 3728d4a..f1ee3a9 100644
--- a/.github/workflows/snapshot.yml
+++ b/.github/workflows/snapshot.yml
@@ -38,8 +38,10 @@
       matrix:
         java_version: [8, 11]
         build:
-          - flink_version: 1.16-SNAPSHOT
+          - flink_version: 1.17-SNAPSHOT
             branch: dev-master
+          - flink_version: 1.16-SNAPSHOT
+            branch: dev-1.16
           - flink_version: 1.15-SNAPSHOT
             branch: dev-1.15
     steps: