[web_socket] Adds WebSocketException.toString()

[AlexV525]

Similar to WebSocketChannelException and ClientException, overriding the method would provide a readable format when referencing it in logs/consoles.

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[github-actions]

Package publishing

Package	Version	Status	Publish tag (post-merge)
package:cronet_http	1.3.3	already published at pub.dev
package:cupertino_http	2.1.1	already published at pub.dev
package:http	1.4.0-wip	WIP (no publish necessary)
package:http2	3.0.0	ready to publish	http2-v3.0.0
package:http_multi_server	3.2.2	already published at pub.dev
package:http_parser	4.1.2	already published at pub.dev
package:http_profile	0.1.1-wip	WIP (no publish necessary)
package:ok_http	0.1.1-wip	WIP (no publish necessary)
package:web_socket	1.0.0	already published at pub.dev
package:web_socket_channel	3.0.3	already published at pub.dev

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[github-actions]

PR Health

Changelog Entry ❗

Package	Changed Files
package:web_socket	pkgs/web_socket/lib/src/web_socket.dart

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pkgs/web_socket/lib/src/web_socket.dart	💔 54 % ⬇️ 11 %

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