Bump google-cloud-bigquery from 1.10.0 to 1.11.1 (#64)

Bumps [google-cloud-bigquery](https://github.com/GoogleCloudPlatform/google-cloud-python) from 1.10.0 to 1.11.1.
- [Release notes](https://github.com/GoogleCloudPlatform/google-cloud-python/releases)
- [Changelog](https://github.com/googleapis/google-cloud-python/blob/master/CHANGELOG.md)
- [Commits](https://github.com/GoogleCloudPlatform/google-cloud-python/compare/logging-1.10.0...bigquery-1.11.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

requirements.txt

@@ -1,5 +1,5 @@
 -c constraints.txt
-google-cloud-bigquery==1.10.0 --hash=sha256:84770b180253c32dad24330c9db4f5d61cac1ce43edc89d892acbbfe5aa12c3a --hash=sha256:d4e350675dcc4e06fb8046fbaae7a6322721f76414c4c5d123fa8606a1578c9b
+google-cloud-bigquery==1.11.1 --hash=sha256:8d56cdb8ecd12d984487c9ddf95187dddc8169d9c84b2d41409656bfd34cbcb7 --hash=sha256:61978e15ec9067fcead664d1d1bc146abd3d77cf12b3576ffae17cf67fafc050
 pytest-black==0.3.5 --hash=sha256:6849e2cfa9a659377c52e0e698e8d0f8a79ff603cb1c930ad86b512357edba4f
 pytest-docstyle==1.5.0 --hash=sha256:dcc54084b8e8282a83e50c6220c85d1c7d05e3871f74f0e911499b4f3adea756
 pytest-flake8==1.0.4 --hash=sha256:4d225c13e787471502ff94409dcf6f7927049b2ec251c63b764a4b17447b60c0 --hash=sha256:d7e2b6b274a255b7ae35e9224c85294b471a83b76ecb6bd53c337ae977a499af