Implements EXTRACT(DATE FROM X) clause in DB2 through overlay

[pardhiv-krishna]

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This PR implements EXTRACT(DATE FROM X) introduced in Persistence 3.2 in DB2 through an overlay.
Fixes #32867

[pardhiv-krishna]

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[ChithraMini]

Changes for including EXTRACT DATE changes for DB2 looks good. Make sure to remove the overlay once we include the next EL version