feat(linq): add support for TakeLast expression

[bednar]

Closes #307

Proposed Changes

Added support for TakeLast LINQ expression:

var query = (from s in InfluxDBQueryable<Sensor>.Queryable("my-bucket", "my-org", queryApi)
    select s)
    .TakeLast(10);

Checklist

• CHANGELOG.md updated
• Rebased/mergeable
• A test has been added if appropriate
• dotnet test completes successfully
• Commit messages are in semantic format
• Sign CLA (if not already signed)

[codecov-commenter]

Codecov Report

Merging #308 (bdddc74) into master (4fc6a85) will decrease coverage by 0.22%.
The diff coverage is 71.95%.

❗ Current head bdddc74 differs from pull request most recent head ad0219a. Consider uploading reports for the commit ad0219a to get more accurate results

@@            Coverage Diff             @@
##           master     #308      +/-   ##
==========================================
- Coverage   88.32%   88.09%   -0.23%     
==========================================
  Files          74       76       +2     
  Lines        6431     6501      +70     
==========================================
+ Hits         5680     5727      +47     
- Misses        751      774      +23     

Impacted Files	Coverage Δ
Client.Linq/Internal/NodeTypes/TakeLastNodeType.cs	54.90% <54.90%> (ø)
Client.Linq/InfluxDBQueryable.cs	87.20% <100.00%> (+0.46%)	⬆️
...inq/Internal/NodeTypes/InfluxDBNodeTypeProvider.cs	100.00% <100.00%> (ø)
Client.Linq/Internal/QueryAggregator.cs	98.33% <100.00%> (+0.01%)	⬆️
Client.Linq/Internal/QueryVisitor.cs	98.88% <100.00%> (+0.01%)	⬆️

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