fix: support datetime in cast expr

Summarize the changes

• fix: support datetime in cast expr

Ensure that

• [ ] New code is covered by unit and integration tests.
• [ ] Related issues would be automatically closed with gitlab's closing pattern (Closes #1, #2).
• [ ] Public modules are documented (check the rendered version with cargo doc --open).
• [ ] (if PEST grammar is changed) EBNF grammar reflects these changes (check the result with railroad diagram generator.

Next steps

• Cherry-pick to: none
• Update sbroad submodule in picodata/picodata.
• (if EBNF grammar is changed) create a follow-up issue in picodata/docs.

assigned to @UngiftedPoet

added 1 commit

• 865750d5 - fix: support datetime in cast expr

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approved this merge request

enabled an automatic merge when the pipeline for 865750d5 succeeds

aborted the automatic merge because target branch was updated

added 2 commits

• feab7405 - 1 commit from branch main
• df6a4010 - fix: support datetime in cast expr

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merged