Plugin cleanup seems to throw on Windows?

[rrousselGit]

RequestErrorCode.PLUGIN_ERROR
FileSystemException: Deletion failed, path = 'C:\Users\m_ben\AppData\Local\Temp\7b3a56af' (OS Error: The process cannot access the file because it is being used by another process.
, errno = 32)
at:
#0      _checkForErrorResponse (dart:io/common.dart:42:9)
#1      _Directory._delete.<anonymous closure> (dart:io/directory_impl.dart:185:7)
#2      _rootRunUnary (dart:async/zone.dart:1406:47)
#3      _CustomZone.runUnary (dart:async/zone.dart:1307:19)
<asynchronous suspension>
#4      Future.wait.<anonymous closure> (dart:async/future.dart:522:21)
<asynchronous suspension>
#5      _SocketCustomLintServerToClientChannel.close (package:custom_lint/src/v2/server_to_client_channel.dart:499:5)
<asynchronous suspension>
#6      CustomLintServer._handlePluginShutdown (package:custom_lint/src/v2/custom_lint_analyzer_plugin.dart:227:5)
<asynchronous suspension>
#7      CustomLintServer._handleRequest.<anonymous closure> (package:custom_lint/src/v2/custom_lint_analyzer_plugin.dart:129:13)
<asynchronous suspension>
#8      CustomLintServer._handleRequest (package:custom_lint/src/v2/custom_lint_analyzer_plugin.dart:124:22)
<asynchronous suspension>

_PrettyRequestFailure: {"code":"PLUGIN_ERROR","message":"FileSystemException: Deletion failed, path = 'C:\\Users\\m_ben\\AppData\\Local\\Temp\\7b3a56af' (OS Error: The process cannot access the file because it is being used by another process.\r\n, errno = 32)","stackTrace":"#0      _checkForErrorResponse (dart:io/common.dart:42:9)\n#1      _Directory._delete.<anonymous closure> (dart:io/directory_impl.dart:185:7)\n#2      _rootRunUnary (dart:async/zone.dart:1406:47)\n#3      _CustomZone.runUnary (dart:async/zone.dart:1307:19)\n<asynchronous suspension>\n#4      Future.wait.<anonymous closure> (dart:async/future.dart:522:21)\n<asynchronous suspension>\n#5      _SocketCustomLintServerToClientChannel.close (package:custom_lint/src/v2/server_to_client_channel.dart:499:5)\n<asynchronous suspension>\n#6      CustomLintServer._handlePluginShutdown (package:custom_lint/src/v2/custom_lint_analyzer_plugin.dart:227:5)\n<asynchronous suspension>\n#7      CustomLintServer._handleRequest.<anonymous closure> (package:custom_lint/src/v2/custom_lint_analyzer_plugin.dart:129:13)\n<asynchronous suspension>\n#8      CustomLintServer._handleRequest (package:custom_lint/src/v2/custom_lint_analyzer_plugin.dart:124:22)\n<asynchronous suspension>\n"}
#0      ChannelBase.sendRequest (package:custom_lint/src/server_isolate_channel.dart:80:7)
<asynchronous suspension>
#1      CustomLintRunner.close (package:custom_lint/src/runner.dart:107:7)
<asynchronous suspension>
#2      customLint.<anonymous closure> (package:custom_lint/custom_lint.dart:63:9)
<asynchronous suspension>
#3      customLint (package:custom_lint/custom_lint.dart:42:3)
<asynchronous suspension>
#4      entrypoint (file:///C:/Users/m_ben/AppData/Local/Pub/Cache/hosted/pub.dev/custom_lint-0.3.2/bin/custom_lint.dart:31:3)
<asynchronous suspension>
#5      main (file:///C:/Users/m_ben/AppData/Local/Pub/Cache/hosted/pub.dev/custom_lint-0.3.2/bin/custom_lint.dart:35:3)
<asynchronous suspension>

_Originally posted by @DarkHeros09 in https://github.com/invertase/dart_custom_lint/issues/100#issuecomment-1462890323_