yamam

Unnecessary file descriptors not being closed when executing spawn

1

**Environment Information** ``` $ ./jruby-9.4.7.0/bin/jruby -v jruby 9.4.7.0 (3.1.4) 2024-04-29 597ff08ac1 OpenJDK 64-Bit Server VM 21.0.3+9-Ubuntu-1ubuntu1 on 21.0.3+9-Ubuntu-1ubuntu1 +jit [x86_64-linux] $ uname -a [/tmp] 05/13 10:27 Linux PC-DE2307E1253R 5.15.146.1-microsoft-standard-WSL2 #1...