jdk 11 as minimum

Signed-off-by: Olivier Lamy <olamy@apache.org>
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index a14c169..0ec0389 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -27,7 +27,7 @@
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        java: [8, 11]
+        java: [11, 17]
       fail-fast: true
 
     runs-on: ${{ matrix.os }}