feat: use environment vars when config file is absent

[katerina20]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 20 lines in your changes are missing coverage. Please review.

Project coverage is 65.12%. Comparing base (f624515) to head (d51962d).
Report is 2 commits behind head on next-v4.

Files	Patch %	Lines
...owdin/cli/properties/PropertiesBuilderChecker.java	0.00%	8 Missing ⚠️
.../crowdin/cli/properties/BasePropertiesBuilder.java	0.00%	4 Missing ⚠️
.../com/crowdin/cli/properties/ProjectProperties.java	50.00%	1 Missing and 1 partial ⚠️
...owdin/cli/properties/ProjectPropertiesBuilder.java	60.00%	1 Missing and 1 partial ⚠️
.../com/crowdin/cli/properties/PropertiesBuilder.java	60.00%	1 Missing and 1 partial ⚠️
...din/cli/properties/PropertiesWithFilesBuilder.java	66.67%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             next-v4     #777      +/-   ##
=============================================
- Coverage      65.41%   65.12%   -0.28%     
- Complexity      1470     1477       +7     
=============================================
  Files            221      221              
  Lines           6055     6042      -13     
  Branches         895      898       +3     
=============================================
- Hits            3960     3934      -26     
- Misses          1611     1612       +1     
- Partials         484      496      +12     

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