Add missing #include <exception>

[oleksandr-pavlyk]

Use of std::exception type (in catch(const std::exception &e) {), requires #include <exception>.

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[github-actions]

Deleted rendered PR docs from intelpython.github.com/dpctl, latest should be updated shortly. 🤞

[github-actions]

Array API standard conformance tests for dpctl=0.19.0dev0=py310hdf72452_137 ran successfully.
Passed: 895
Failed: 0
Skipped: 119

[coveralls]

coverage: 87.669%. remained the same
when pulling 3c0eac0 on add-missing-include-exception
into 08605c4 on master.