Updates gradle version to 7.5 and fix format

[zachgk]

Fixes same problem as deepjavalibrary/djl-serving#184
using workaround described in diffplug/spotless#834
and found in
https://github.com/diffplug/spotless/tree/main/plugin-gradle#google-java-format.

[codecov-commenter]

Codecov Report

Merging #1858 (a52e4ce) into master (bb5073f) will decrease coverage by 2.35%.
The diff coverage is 64.62%.

@@             Coverage Diff              @@
##             master    #1858      +/-   ##
============================================
- Coverage     72.08%   69.73%   -2.36%     
- Complexity     5126     5541     +415     
============================================
  Files           473      527      +54     
  Lines         21970    24470    +2500     
  Branches       2351     2666     +315     
============================================
+ Hits          15838    17063    +1225     
- Misses         4925     6097    +1172     
- Partials       1207     1310     +103     

Impacted Files	Coverage Δ
api/src/main/java/ai/djl/modality/cv/Image.java	69.23% <ø> (-4.11%)	⬇️
...rc/main/java/ai/djl/modality/cv/MultiBoxPrior.java	76.00% <ø> (ø)
...rc/main/java/ai/djl/modality/cv/output/Joints.java	71.42% <ø> (ø)
.../main/java/ai/djl/modality/cv/output/Landmark.java	100.00% <ø> (ø)
...main/java/ai/djl/modality/cv/output/Rectangle.java	72.41% <0.00%> (ø)
...i/djl/modality/cv/translator/BigGANTranslator.java	21.42% <0.00%> (-5.24%)	⬇️
...odality/cv/translator/BigGANTranslatorFactory.java	33.33% <0.00%> (+8.33%)	⬆️
...nslator/InstanceSegmentationTranslatorFactory.java	14.28% <0.00%> (-3.90%)	⬇️
.../cv/translator/SemanticSegmentationTranslator.java	0.00% <0.00%> (ø)
.../cv/translator/StyleTransferTranslatorFactory.java	40.00% <ø> (ø)
... and 422 more

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