fix: update header protocol for version 2.2.77

[MichaelLeeHZ]

What changes were proposed in this pull request?

• Add some fields in ObRpcPacketHeader
• Implement relevant encode and decode method

Why are the changes needed?

see #37

Will break the compatibility? How if so?

No, it is compatibility even I change the protocol header, I add some column

Does this PR introduce any user-facing change?

How was this patch tested?

Checklist

• I've run the tests to see all new and existing tests pass.
• If this Pull Request resolves an issue, I linked to the issue in the text above.
• I've informed the technical writer about the documentation change if necessary.

[IHEII]

Could the name here be consistent with the Java client? Also,
Comments containing "227" need to be removed, the latest observer also has those domains, and comments containing "227" will be confusing.

[MichaelLeeHZ]

Ok, I will remove comment containing "227", and rename this const variable.

[MichaelLeeHZ]

how about comment version: V4, refer to java client?

[IHEII]

After dealing with those comments, I will run your repo in my env, testing this client in 3.x observer. Please provide me a link to your repo.

[MichaelLeeHZ]

After dealing with those comments, I will run your repo in my env, testing this client in 3.x observer. Please provide me a link to your repo.

https://github.com/MachaelLee/obkv-table-client-rs/tree/feat_bump_227

[IHEII]

LGTM
Pass all tests in observer 3.x.
Although there are some problems when there are multi-observers and set master of partition into a random observer, the issue has nothing to do this the MR.