Bump gax-java dependency

[andreamlin]

To keep the same common-protos dependency at 1.14.0 as in #4486

[andreamlin]

PTAL

[sduskis]

Can you please upgrade the other dependencies that changed in gax? (I know that at least grpc and opencensus were upgraded)

[sduskis]

Should we update common proto here instead of #4486?

[andreamlin]

Ok, also updated the common protos dep

[sduskis]

Sorry to do this... google-api-grpc also has grpc dependencies (and maybe others?) that also need to be update.

After this exercise we should consider moving common properties up to the root pom.

[sduskis]

It looks like there is a convergence issue:

[ERROR] Failed to execute goal on project google-cloud-examples: Could not resolve dependencies for project com.google.cloud:google-cloud-examples:jar:0.80.1-alpha-SNAPSHOT: Failed to collect dependencies for com.google.cloud:google-cloud-examples:jar:0.80.1-alpha-SNAPSHOT: Could not resolve version conflict among [
com.google.cloud:google-cloud-bigtable:jar:0.80.1-alpha-SNAPSHOT -> com.google.cloud:google-cloud-core-grpc:jar:1.62.1-SNAPSHOT ->
io.grpc:grpc-protobuf:jar:1.18.0 ->
io.grpc:grpc-core:jar:1.18.0,
com.google.cloud:google-cloud-bigtable:jar:0.80.1-alpha-SNAPSHOT ->
com.google.cloud:google-cloud-core-grpc:jar:1.62.1-SNAPSHOT ->
io.grpc:grpc-protobuf:jar:1.18.0 ->
io.grpc:grpc-protobuf-lite:jar:1.18.0 ->
io.grpc:grpc-core:jar:1.18.0,
com.google.cloud:google-cloud-bigtable:jar:0.80.1-alpha-SNAPSHOT ->
io.grpc:grpc-stub:jar:1.18.0 ->
io.grpc:grpc-core:jar:1.18.0,
com.google.cloud:google-cloud-bigtable:jar:0.80.1-alpha-SNAPSHOT ->
io.grpc:grpc-auth:jar:1.18.0 ->
io.grpc:grpc-core:jar:[1.18.0,1.18.0],
com.google.cloud:google-cloud-datastore:jar:1.62.1-SNAPSHOT ->
io.grpc:grpc-core:jar:1.18.0,
com.google.cloud:google-cloud-logging:jar:1.62.1-SNAPSHOT ->
com.google.api:gax-grpc:jar:1.38.0 ->
io.grpc:grpc-netty-shaded:jar:1.17.1 ->
io.grpc:grpc-core:jar:[1.17.1,1.17.1],
com.google.cloud:google-cloud-logging:jar:1.62.1-SNAPSHOT ->
com.google.api:gax-grpc:jar:1.38.0 ->
io.grpc:grpc-alts:jar:1.17.1 ->
io.grpc:grpc-core:jar:[1.17.1,1.17.1],
com.google.cloud:google-cloud-logging:jar:1.62.1-SNAPSHOT ->
com.google.api:gax-grpc:jar:1.38.0 ->
io.grpc:grpc-alts:jar:1.17.1 ->
io.grpc:grpc-grpclb:jar:1.17.1 ->
io.grpc:grpc-core:jar:[1.17.1,1.17.1],
com.google.cloud:google-cloud-spanner:jar:1.7.1-SNAPSHOT ->
io.opencensus:opencensus-contrib-grpc-util:jar:0.18.0 ->
io.grpc:grpc-core:jar:1.14.0] ->

[andreamlin]

@sduskis is it ok now? i just forgot to bump google-cloud-logging's dep on gax