CI: troubleshoot travis ci on 1.1.x (#36770)

Author: simonjayhawkins

ci/deps/travis-36-cov.yaml

@@ -15,7 +15,6 @@ dependencies:
   # pandas dependencies
   - beautifulsoup4
   - botocore>=1.11
-  - cython>=0.29.16
   - dask
   - fastparquet>=0.3.2
   - fsspec>=0.7.4

ci/deps/travis-36-locale.yaml

@@ -27,6 +27,7 @@ dependencies:
   - numpy
   - openpyxl
   - pandas-gbq=0.12.0
+  - google-cloud-bigquery==1.21.0
   - psycopg2=2.6.2
   - pyarrow>=0.13.0 # GH #35813
   - pymysql=0.7.11