…values (googleapis#1735)Even if the remote schema is REQUIREDThank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:- [ ] Make sure to open an issue as a [bug/issue](https://togithub.com/googleapis/python-bigquery/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea- [ ] Ensure the tests and linter pass- [ ] Code coverage does not decrease (if any source code was changed)- [ ] Appropriate docs were updated (if necessary)Fixesgoogleapis#1692 🦕

…nto pandas extra (#1726)* feat: Introduce compatibility with native namespace packages* Update copyright year* removed pkg_resources from all test files and moved importlib into pandas extra* feat: removed pkg_resources from all test files and moved importlib into pandas extra* Adding no cover tag to test code* reformatted with black* undo revert* perf: use the first page a results when `query(api_method="QUERY")` (#1723)* perf: use the first page a results when `query(api_method="QUERY")`* add tests* respect max_results with cached page* respect page_size, also avoid bqstorage if almost fully downloaded* skip true test if bqstorage not installed* coverage* fix: ensure query job retry has longer deadline than API request deadline (#1734)In cases where we can't disambiguate API failure from job failure,this ensures we can still retry the job at least once.* fix: `load_table_from_dataframe` now assumes there may be local null values (#1735)Even if the remote schema is REQUIREDThank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:- [ ] Make sure to open an issue as a [bug/issue](https://togithub.com/googleapis/python-bigquery/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea- [ ] Ensure the tests and linter pass- [ ] Code coverage does not decrease (if any source code was changed)- [ ] Appropriate docs were updated (if necessary)Fixes#1692 🦕* chore: standardize samples directory - delete unneeded dependencies (#1732)* chore: standardize samples directory = delete unneeded dependencies* Removed unused import for linter* fix: move grpc, proto-plus and protobuf packages to extras (#1721)* chore: move grpc, proto-plus and protobuff packages to extras* formatted with black* feat: add `job_timeout_ms` to job configuration classes (#1675)* fix: adds new property and tests* 🦉 Updates from OwlBot post-processorSeehttps://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md* updates docs to correct a sphinx failure* Updates formatting* Update tests/system/test_query.py* 🦉 Updates from OwlBot post-processorSeehttps://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md* Update google/cloud/bigquery/job/base.py* updates one test and uses int_or_none* Update tests/system/test_query.pytesting something.* Update tests/system/test_query.py* testing coverage feature* 🦉 Updates from OwlBot post-processorSeehttps://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md* minor edits* tweaks to noxfile for testing purposes* add new test to base as experiment* adds a test, updates import statements* add another test* edit to tests* formatting fixes* update noxfile to correct debug code* removes unneeded comments.---------Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>---------Co-authored-by: Chalmer Lowe <chalmerlowe@google.com>Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>Co-authored-by: Tim Swast <swast@google.com>* remove unnecessary version checks* undo bad commit, remove unneeded version checks* Revert "undo bad commit, remove unneeded version checks"This reverts commit5c82dcf.* Revert "remove unnecessary version checks"This reverts commit9331a7e.* revert bad changes, remove pkg_resources from file* after clarification, reimplement changes and ignore 3.12 tests* reformatted with black* removed minimum check* updated pandas installed version check---------Co-authored-by: Anthonios Partheniou <partheniou@google.com>Co-authored-by: Tim Swast <swast@google.com>Co-authored-by: Chalmer Lowe <chalmerlowe@google.com>Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>