Add synchronous GetLatestVersion method.

[jmoro3]

The methoв could be used in special cases when the method
has to run synchronously in one thread.

Relates-To: OAM-1422
Signed-off-by: Iuliia Moroz ext-iuliia.moroz@here.com

[codecov]

Codecov Report

Merging #1315 (76d2afa) into master (8c6a8a5) will decrease coverage by 0.0%.
The diff coverage is 0.0%.

@@           Coverage Diff            @@
##           master   #1315     +/-   ##
========================================
- Coverage    86.1%   86.1%   -0.0%     
========================================
  Files         381     381             
  Lines       13430   13443     +13     
========================================
+ Hits        11568   11573      +5     
- Misses       1862    1870      +8     

Impacted Files	Coverage Δ
...-read/include/olp/dataservice/read/CatalogClient.h	100.0% <ø> (ø)
...ead/include/olp/dataservice/read/VersionsRequest.h	100.0% <ø> (ø)
olp-cpp-sdk-dataservice-read/src/CatalogClient.cpp	84.0% <0.0%> (-7.3%)	⬇️
...cpp-sdk-dataservice-read/src/CatalogClientImpl.cpp	87.2% <0.0%> (-5.9%)	⬇️
...p-cpp-sdk-dataservice-read/src/CatalogClientImpl.h	100.0% <ø> (ø)
olp-cpp-sdk-core/src/client/PendingUrlRequests.cpp	95.5% <0.0%> (+0.2%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8c6a8a5...76d2afa. Read the comment docs.