fix: continuous integration

[bednar]

1. Fixed sys env expansion in GitHub workflow
2. Fixed flaky tests:
   • BatchOptionsTest.testJitterDuration
   • MessagePackBatchOptionsTest.testWriteWithRetryOnRecoverableError
3. Fixed MessagePackInfluxDBTest.testChunkingQueryPost - MessagePack response doesn't contains last empty response

[codecov-commenter]

Codecov Report

Merging #773 (ced2b74) into master (920aa06) will increase coverage by 6.18%.
The diff coverage is 100.00%.

❗ Current head ced2b74 differs from pull request most recent head 4bc9cb2. Consider uploading reports for the commit 4bc9cb2 to get more accurate results

@@             Coverage Diff              @@
##             master     #773      +/-   ##
============================================
+ Coverage     54.99%   61.18%   +6.18%     
- Complexity      390      440      +50     
============================================
  Files            70       70              
  Lines          2575     2576       +1     
  Branches        270      270              
============================================
+ Hits           1416     1576     +160     
+ Misses         1093      931     -162     
- Partials         66       69       +3     

Impacted Files	Coverage Δ
...rc/main/java/org/influxdb/impl/BatchProcessor.java	97.98% <100.00%> (+0.01%)	⬆️
src/main/java/org/influxdb/impl/InfluxDBImpl.java	82.65% <0.00%> (+3.37%)	⬆️
...uxdb/msgpack/MessagePackResponseBodyConverter.java	100.00% <0.00%> (+75.00%)	⬆️
...ava/org/influxdb/msgpack/MessagePackTraverser.java	87.23% <0.00%> (+87.23%)	⬆️
...ava/org/influxdb/msgpack/QueryResultModelPath.java	90.00% <0.00%> (+90.00%)	⬆️

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[majst01]

I have seen you pushed directly to master, please never do this !

[bednar]

I have seen you pushed directly to master, please never do this !

Ok, sorry for that.

[bednar]

@majst01 The GitHub Checks pass five times, so I think that the flaky tests are fixed.