prepare version v5.1.2-beta.1 of graphql client

[vincenzopalazzo]

Let's put alive the new protocol support, we can find some bugs that we can find during the refactoring period!

Signed-off-by: Vincenzo Palazzo vincenzopalazzodev@gmail.com

[codecov[bot]]

Codecov Report

Merging #1132 (0edb38d) into main (ad8aec7) will decrease coverage by 2.70%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1132      +/-   ##
==========================================
- Coverage   57.53%   54.83%   -2.71%     
==========================================
  Files          41       13      -28     
  Lines        1658      248    -1410     
==========================================
- Hits          954      136     -818     
+ Misses        704      112     -592     

Impacted Files	Coverage Δ
packages/graphql/lib/src/cache/cache.dart
packages/graphql/lib/src/utilities/helpers.dart
...lib/src/links/websocket_link/websocket_client.dart
packages/graphql/lib/src/core/query_options.dart
...ackages/graphql/lib/src/exceptions/exceptions.dart
...ackages/graphql/lib/src/exceptions/network_io.dart
...raphql/lib/src/cache/_optimistic_transactions.dart
packages/graphql/lib/src/core/query_manager.dart
...b/src/links/websocket_link/websocket_messages.dart
...es/graphql/lib/src/core/_query_write_handling.dart
... and 18 more

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[vincenzopalazzo]

This PR required this change https://github.com/zino-hofmann/graphql-flutter/pull/1133 before merging, or also after :) but it requires this!