Fix 'WEEK' transform function in multi-stage query engine

[yashmayya]

• In the v2 multi-stage query engine, numerous date time functions are rewritten to a call to EXTRACT by Calcite.
• Of all the functions that get re-written to an EXTRACT call, the only one that is not supported by Pinot's extract transformation function is WEEK. This leads to simple queries like SELECT WEEK(ts) FROM airlineStats failing with:

Received error query execution result block: {200=QueryExecutionError:
org.apache.pinot.spi.exception.BadQueryRequestException: Caught exception while initializing transform function: extract
	at org.apache.pinot.core.operator.transform.function.TransformFunctionFactory.get(TransformFunctionFactory.java:332)
	at org.apache.pinot.core.operator.transform.TransformOperator.<init>(TransformOperator.java:56)
	at org.apache.pinot.core.plan.ProjectPlanNode.run(ProjectPlanNode.java:85)
	at org.apache.pinot.core.plan.StreamingSelectionPlanNode.run(StreamingSelectionPlanNode.java:54)
...
Caused by: java.lang.IllegalArgumentException: No enum constant org.apache.pinot.core.operator.transform.function.ExtractTransformFunction.Field.WEEK
	at java.base/java.lang.Enum.valueOf(Enum.java:273)
	at org.apache.pinot.core.operator.transform.function.ExtractTransformFunction$Field.valueOf(ExtractTransformFunction.java:38)
	at org.apache.pinot.core.operator.transform.function.ExtractTransformFunction.init(ExtractTransformFunction.java:54)
	at org.apache.pinot.core.operator.transform.function.BaseTransformFunction.init(BaseTransformFunction.java:120)}
org.apache.pinot.query.service.dispatch.QueryDispatcher.runReducer(QueryDispatcher.java:306)
org.apache.pinot.query.service.dispatch.QueryDispatcher.submitAndReduce(QueryDispatcher.java:96)
org.apache.pinot.broker.requesthandler.MultiStageBrokerRequestHandler.handleRequest(MultiStageBrokerRequestHandler.java:217)
org.apache.pinot.broker.requesthandler.BaseBrokerRequestHandler.handleRequest(BaseBrokerRequestHandler.java:133)

• This patch fixes the above issue by adding support for WEEK in the existing extract transform function (and updating the tests added in Add support for EXTRACT syntax and converts it to appropriate Pinot expression #9184 and [multistage] Support TIMESTAMP type and date ops functions #11350).
• This isn't an issue in the v1 query engine, where there's a separate transform function for WEEK -

  pinot/pinot-core/src/main/java/org/apache/pinot/core/operator/transform/function/DateTimeTransformFunction.java

  Line 130 in f52e651

  public static final class WeekOfYear extends DateTimeTransformFunction {

• Also note that this doesn't fix the issue with extract or its associated date time functions when used in a scalar context in the multi-stage query engine (i.e., with literals or in intermediate stages). There's a separate issue and fix for that.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.00%. Comparing base (59551e4) to head (6ddb781).
Report is 679 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #13483      +/-   ##
============================================
+ Coverage     61.75%   62.00%   +0.25%     
+ Complexity      207      198       -9     
============================================
  Files          2436     2560     +124     
  Lines        133233   141361    +8128     
  Branches      20636    21929    +1293     
============================================
+ Hits          82274    87654    +5380     
- Misses        44911    47051    +2140     
- Partials       6048     6656     +608     

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temurin	62.00% <100.00%> (+0.25%)	⬆️
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unittests2	27.53% <0.00%> (-0.20%)	⬇️

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