Add jdk11 build steps

[regadas]

Fixes #1360

[codecov-io]

Codecov Report

Merging #1361 into master will decrease coverage by 8.45%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1361      +/-   ##
==========================================
- Coverage   79.82%   71.36%   -8.46%     
==========================================
  Files         125      125              
  Lines        4213     4027     -186     
  Branches      475      367     -108     
==========================================
- Hits         3363     2874     -489     
- Misses        850     1153     +303

Impacted Files	Coverage Δ
.../spotify/scio/bigquery/BigQueryPartitionUtil.scala	0% <0%> (-100%)	⬇️
...scala/com/spotify/scio/bigquery/MockBigQuery.scala	0% <0%> (-95.13%)	⬇️
...la/com/spotify/scio/bigquery/dynamic/package.scala	0% <0%> (-94.45%)	⬇️
...potify/scio/runners/dataflow/DataflowContext.scala	0% <0%> (-92.86%)	⬇️
...com/spotify/scio/bigquery/types/BigQueryType.scala	6.25% <0%> (-87.5%)	⬇️
...cio/bigquery/dynamic/DynamicDestinationsUtil.scala	0% <0%> (-80%)	⬇️
...n/scala/com/spotify/scio/bigtable/TableAdmin.scala	0% <0%> (-80%)	⬇️
...ala/com/spotify/scio/bigquery/BigQueryClient.scala	9.22% <0%> (-71.43%)	⬇️
...ala/com/spotify/scio/avro/types/TypeProvider.scala	45.71% <0%> (-41.43%)	⬇️
...n/scala/com/spotify/scio/avro/types/AvroType.scala	55.55% <0%> (-33.34%)	⬇️
... and 12 more

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