Exception not caught on network issues

Version 2.4.2, Android 10

When synching local changes with bad network.

```
Erreur inconnue
java.io.InterruptedIOException
Pile d'erreur :
java.io.InterruptedIOException
at okhttp3.internal.http2.Http2Stream.waitForIo$okhttp(Http2Stream.kt:662)
at okhttp3.internal.http2.Http2Stream.takeHeaders(Http2Stream.kt:140)
at okhttp3.internal.http2.Http2ExchangeCodec.readResponseHeaders(Http2ExchangeCodec.kt:96)
at okhttp3.internal.connection.Exchange.readResponseHeaders(Exchange.kt:106)
at okhttp3.internal.http.CallServerInterceptor.intercept(CallServerInterceptor.kt:79)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:34)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
at wallabag.apiwrapper.TokenRefreshingInterceptor.intercept(TokenRefreshingInterceptor.java:65)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)
at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)
at okhttp3.internal.connection.RealCall.execute(RealCall.kt:154)
at retrofit2.OkHttpCall.execute(OkHttpCall.java:188)
at retrofit2.DefaultCallAdapterFactory$ExecutorCallbackCall.execute(DefaultCallAdapterFactory.java:104)
at wallabag.apiwrapper.WallabagService.execAndCheckBody(WallabagService.java:1499)
at wallabag.apiwrapper.WallabagService.lambda$modifyArticle$7$WallabagService(WallabagService.java:868)
at wallabag.apiwrapper.-$$Lambda$WallabagService$zRXhJOiZErB9tSv-KfKfEd87v0w.run(Unknown Source:6)
at wallabag.apiwrapper.NotFoundPolicy.call(NotFoundPolicy.java:140)
at wallabag.apiwrapper.NotFoundPolicy.call(NotFoundPolicy.java:133)
at wallabag.apiwrapper.NotFoundPolicy.call(NotFoundPolicy.java:128)
at wallabag.apiwrapper.WallabagService.modifyArticle(WallabagService.java:868)
at wallabag.apiwrapper.ModifyArticleBuilder.execute(ModifyArticleBuilder.java:103)
at wallabag.apiwrapper.ModifyArticleBuilder.execute(ModifyArticleBuilder.java:86)
at fr.gaulupeau.apps.Poche.service.workers.OfflineChangesSynchronizer.syncArticleChange(OfflineChangesSynchronizer.java:368)
at fr.gaulupeau.apps.Poche.service.workers.OfflineChangesSynchronizer.syncOfflineQueue(OfflineChangesSynchronizer.java:118)
at fr.gaulupeau.apps.Poche.service.workers.OfflineChangesSynchronizer.synchronize(OfflineChangesSynchronizer.java:68)
at fr.gaulupeau.apps.Poche.service.tasks.SyncOfflineChangesTask.run(SyncOfflineChangesTask.java:17)
at fr.gaulupeau.apps.Poche.service.tasks.ActionRequestTask.run(ActionRequestTask.java:25)
at fr.gaulupeau.apps.Poche.service.-$$Lambda$0cveUIqKhxWljSld0gpOhfhYfj0.run(Unknown Source:2)
at fr.gaulupeau.apps.Poche.service.TaskService.run(TaskService.java:162)
at fr.gaulupeau.apps.Poche.service.TaskService.lambda$PgumDII_lptJcUDKRD70B1M_ER8(Unknown Source:0)
at fr.gaulupeau.apps.Poche.service.-$$Lambda$TaskService$PgumDII_lptJcUDKRD70B1M_ER8.run(Unknown Source:2)
at java.lang.Thread.run(Thread.java:919)
```