Update kotlin to 1.5.0 and gradle to 7.0

[petertrr]

No description provided.

[codecov]

Codecov Report

Merging #3 (57e0bf7) into main (7da3ca7) will decrease coverage by 0.14%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main       #3      +/-   ##
============================================
- Coverage     91.60%   91.46%   -0.15%     
+ Complexity      174      173       -1     
============================================
  Files            18       18              
  Lines          1108     1113       +5     
  Branches        104      103       -1     
============================================
+ Hits           1015     1018       +3     
+ Misses           63       62       -1     
- Partials         30       33       +3     

Flag	Coverage Δ	Complexity Δ
unittests	91.46% <ø> (-0.15%)	173.00 <ø> (-1.00)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ	Complexity Δ
...otlin/com/github/petertrr/diffutils/patch/Delta.kt	54.54% <0.00%> (-0.46%)	2.00% <0.00%> (ø%)
...github/petertrr/diffutils/text/DiffRowGenerator.kt	89.68% <0.00%> (-0.36%)	48.00% <0.00%> (+1.00%)	⬇️
...ub/petertrr/diffutils/algorithm/myers/MyersDiff.kt	89.65% <0.00%> (-0.35%)	21.00% <0.00%> (ø%)
...tlin/com/github/petertrr/diffutils/text/DiffRow.kt	100.00% <0.00%> (ø)	1.00% <0.00%> (ø%)
.../com/github/petertrr/diffutils/utils/DeltaUtils.kt	100.00% <0.00%> (ø)	0.00% <0.00%> (ø%)
...hub/petertrr/diffutils/algorithm/myers/PathNode.kt	77.77% <0.00%> (+5.55%)	8.00% <0.00%> (-2.00%)	⬆️

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