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.

[codecov[bot]]

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

```diff @@ 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 ```