Improve anchor alias node management

[fktn-k]

This PR has improved the way of managing anchor/alias nodes by sharing the anchor node table among nodes.
The process of deserializing such nodes and have also been modified according to the above change.

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• [x] Changes are described in the pull request or in a referenced issue.
• [x] The test suite compiles and runs without any error.
• [x] The code coverage on your branch is 100%.
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[github-actions[bot]]

:octocat: Upload Coverage Event Notification

Coverage data has been uploaded for the commit bbab1b59dc6484d775ae024415f696199e5f5138. You can download the artifact which contains the same file uploaded to the Coveralls and its HTML version.

Name	fkYAML_coverage.pr340.zip
ID	1494486867
URL	https://github.com/fktn-k/fkYAML/actions/runs/9049272212/artifacts/1494486867

[coveralls]

Pull Request Test Coverage Report for Build 9049272212

Details

• 356 of 356 (100.0%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 8942798853:	0.0%
Covered Lines:	3691
Relevant Lines:	3691

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💛 - Coveralls