Tests

Bump third_party/editline/repo from `4255848` to `50bde4b` #98864

Job	Run time
Test Suites - Darwin (no-ble-no-shell-asan-clang)	1h 19m 25s
Test Suites - Darwin (no-ble-no-shell-tsan-clang)	1h 43m 59s
Test Suites - Linux (no-ble-no-shell-tsan-clang)	1h 45m 43s
REPL Tests - Darwin	0s
REPL Tests - Linux	1h 55m 37s
	6h 44m 44s

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