Add Java 26 to test profile

Author: mrotteveel

.github/workflows/run-tests.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         buildProfile: [ 17, 25 ]
-        testProfile: [ 17, 21, 25 ]
+        testProfile: [ 17, 21, 25, 26 ]
         firebird: [ '5.0.4' ]
         canFail: [ false ]
         include: