Fixed maven plugin

[nulls]

What's done:

• fixed checking configFile
• restored logic for input and exclude in maven plugin (removed in Diktat API #1655)
• fixed warning about provided dependency in maven plugin

It closes #1814

[codecov]

Codecov Report

Attention: 17 lines in your changes are missing coverage. Please review.

Comparison is base (b01cd64) 78.72% compared to head (6211a81) 78.62%.

Files	Patch %	Lines
.../saveourtool/diktat/plugin/maven/DiktatBaseMojo.kt	0.00%	17 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1816      +/-   ##
============================================
- Coverage     78.72%   78.62%   -0.11%     
  Complexity     2441     2441              
============================================
  Files           126      126              
  Lines          8544     8555      +11     
  Branches       2163     2163              
============================================
  Hits           6726     6726              
- Misses          850      861      +11     
  Partials        968      968              

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[github-actions]

JUnit Tests (Windows, EnricoMi/publish-unit-test-result-action@v2)

   164 files  ±0     164 suites  ±0   6m 52s ⏱️ -11s
1 397 tests ±0  1 380 ✔️ ±0  17 💤 ±0  0 ❌ ±0 
2 776 runs  ±0  2 759 ✔️ ±0  17 💤 ±0  0 ❌ ±0 

Results for commit 6211a81. ± Comparison against base commit b01cd64.

♻️ This comment has been updated with latest results.

[github-actions]

JUnit Tests (macOS, EnricoMi/publish-unit-test-result-action@v2)

   164 files  ±0     164 suites  ±0   7m 22s ⏱️ - 1m 39s
1 397 tests ±0  1 361 ✔️ ±0  36 💤 ±0  0 ❌ ±0 
2 776 runs  ±0  2 740 ✔️ ±0  36 💤 ±0  0 ❌ ±0 

Results for commit 6211a81. ± Comparison against base commit b01cd64.

♻️ This comment has been updated with latest results.