fix: reject JDK < 11 early with clear error message #143

Job	Run time
determine-changes	8s
e2e-java (java-fibonacci-nogit, end_to_end_test_java_fibonacci.py, 70, true)	35m 6s
type-check	29s
prek	17s
e2e-java (java-tracer, end_to_end_test_java_tracer.py, 10)	1h 10m 25s
e2e-java (java-void-optimization-nogit, end_to_end_test_java_void_optimization.py, 70, true)	10m 0s
unit-tests (ubuntu-latest, 3.11)	6m 52s
unit-tests (ubuntu-latest, 3.9)	7m 57s
unit-tests (ubuntu-latest, 3.14)	5m 53s
unit-tests (windows-latest, 3.13)	10m 43s
unit-tests (ubuntu-latest, 3.10)	7m 6s
unit-tests (ubuntu-latest, 3.13)	7m 16s
e2e-python (bubble-sort-pytest-nogit, end_to_end_test_bubblesort_pytest.py, 70, true)	13m 42s
e2e-python (init-optimization, end_to_end_test_init_optimization.py, 10)	7m 59s
unit-tests (ubuntu-latest, 3.12)	6m 21s
e2e-python (async-optimization, end_to_end_test_async.py, 10)	16m 25s
e2e-python (benchmark-bubble-sort, end_to_end_test_benchmark_sort.py, 5)	13m 52s
e2e-python (tracer-replay, end_to_end_test_tracer_replay.py, 10)	13m 23s
e2e-python (bubble-sort-unittest, end_to_end_test_bubblesort_unittest.py, 40)	9m 36s
e2e-python (topological-sort, end_to_end_test_topological_sort_worktree.py, 5)	5m 54s
e2e-python (futurehouse-structure, end_to_end_test_futurehouse.py, 5)	12m 24s
e2e-python (coverage-e2e, end_to_end_test_coverage.py, black)	11m 21s
e2e-js	0s
required checks passed	3s
	4h 33m 12s

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