Update to latest changes in Spine Storage API

[armiol]

This changeset migrates the library code to the changes in RecordSpec and related types, provided in scope of Spine Storage API.

In particular, in this PR the following changes were applied:

• Usages of Storage API were migrated to new RecordSpec.
• All common Spine dependencies were updated. Some of them were additionally forced.
• Recently added grpc-inprocess was also added as a test-implementation-level dependency to whom it concerns.

The library version is set to 2.0.0-SNAPSHOT.174 to match the one of core-java artifacts.

[armiol]

@alexander-yevsyukov PTAL.

CI builds will pass once core-java#1533 is re-reviewed and merged.

[alexander-yevsyukov]

LGTM

[codecov]

Codecov Report

Merging #188 (219d606) into master (041129f) will not change coverage.
Report is 1 commits behind head on master.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #188   +/-   ##
=========================================
  Coverage     87.20%   87.20%           
  Complexity      476      476           
=========================================
  Files            75       75           
  Lines          1813     1813           
  Branches         90       90           
=========================================
  Hits           1581     1581           
  Misses          200      200           
  Partials         32       32