Support python 3.14 freethread version

[amone-bit]

Problem

Feature request: support python 3.14 freethread version.
When I use python 3.14 freethread version with notebook 7.5.0, pycharm raise a error:

com.intellij.jupyter.core.jupyter.connections.exceptions.JupyterManagedServerExited: Jupyter server process exited with code -1,073,741,819
	at com.intellij.jupyter.py.connections.managed.server.JupyterServerExecutionImpl$onServerTerminated$1.invokeSuspend(JupyterServerExecutionImpl.kt:260)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at com.intellij.openapi.application.impl.EdtCoroutineDispatcher.wrapWithLocking$lambda$3$lambda$2(EdtCoroutineDispatcher.kt:71)
	at com.intellij.openapi.application.WriteIntentReadAction.lambda$run$0(WriteIntentReadAction.java:24)
	at com.intellij.openapi.application.impl.AppImplKt$rethrowCheckedExceptions$2.invoke(appImpl.kt:106)
	at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.doRunWriteIntentReadAction(NestedLocksThreadingSupport.kt:666)
	at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runPreventiveWriteIntentReadAction(NestedLocksThreadingSupport.kt:640)
	at com.intellij.platform.locking.impl.NestedLocksThreadingSupport.runWriteIntentReadAction(NestedLocksThreadingSupport.kt:633)
	at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:1166)
	at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:55)
	at com.intellij.openapi.application.WriteIntentReadAction.run(WriteIntentReadAction.java:23)
	at com.intellij.openapi.application.impl.EdtCoroutineDispatcher.wrapWithLocking$lambda$3(EdtCoroutineDispatcher.kt:70)
	at com.intellij.openapi.application.impl.DispatchedRunnable.run(DispatchedRunnable.kt:42)
	at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:240)
	at com.intellij.openapi.application.TransactionGuardImpl.access$100(TransactionGuardImpl.java:26)
	at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:222)
	at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:122)
	at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:43)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:781)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:728)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:750)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:595)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:488)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10$lambda$9(IdeEventQueue.kt:313)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:865)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10(IdeEventQueue.kt:312)
	at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$3(IdeEventQueue.kt:974)
	at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:110)
	at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:974)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12(IdeEventQueue.kt:307)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:347)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)

Proposed Solution

Additional context

[RRosio]

Hi @amone-bit, thanks for reporting this. This issue is being discussed in jupyterlab/jupyterlab#16915 and jupyterlab/jupyterlab#17887 (previous discussions include: #7512). Please feel free to continue the discussion in the open issues, I will close this one as a duplicate of 16915.