Check Only JDK 17

This commit removes the extra build for
JDK 21 to save time on builds.

Signed-off-by: Josh Cummings <3627351+jzheaux@users.noreply.github.com>

.github/workflows/check-snapshots.yml

@@ -18,8 +18,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - java-version: 21-ea
-            toolchain: 21
           - java-version: 17
             toolchain: 17
     with: