feat: use nx devkit

[ronnetzer]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: fixes #16

What is the new behavior?

usage of nx devkit and internals instead of using exec and expect that the user will do npm ci before using the action

Does this PR introduce a breaking change?

[ ] Yes
[x] No

[nx-cloud]

☁️ Nx Cloud Report

CI ran the following commands for commit 00e4da6. Click to see the status, the terminal output, and the build insights.

📂 See all runs for this branch

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✅ Successfully ran 2 targets

• nx run-many --projects=nx-affected-matrix,nx-distributed-task --target=build --scan --parallel --maxParallel=3
• nx run-many --projects=nx-affected-matrix,nx-distributed-task,utils --target=test --scan --parallel --maxParallel=3

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Sent with 💌 from NxCloud.

[codecov]

Codecov Report

Merging #33 (00e4da6) into main (cdf3de0) will increase coverage by 0.28%.
The diff coverage is 88.49%.

@@            Coverage Diff             @@
##             main      #33      +/-   ##
==========================================
+ Coverage   86.24%   86.53%   +0.28%     
==========================================
  Files          13       15       +2     
  Lines         349      349              
  Branches       51       49       -2     
==========================================
+ Hits          301      302       +1     
  Misses         38       38              
+ Partials       10        9       -1     

Flag	Coverage Δ
nx-affected-matrix	95.91% <90.47%> (-1.86%)	⬇️
nx-distributed-task	90.36% <90.90%> (-1.54%)	⬇️
utils	82.94% <73.33%> (-0.58%)	⬇️

Impacted Files	Coverage Δ
packages/nx-affected-matrix/src/app/inputs.ts	100.00% <ø> (ø)
packages/nx-distributed-task/src/app/inputs.ts	80.00% <ø> (ø)
packages/utils/src/lib/fs.ts	25.00% <0.00%> (ø)
packages/utils/src/lib/inputs.ts	66.66% <66.66%> (+1.14%)	⬆️
packages/nx-distributed-task/src/app/nx.ts	85.29% <85.29%> (ø)
packages/nx-distributed-task/src/app/upload.ts	88.88% <88.88%> (ø)
...s/nx-affected-matrix/src/app/nx-affected-matrix.ts	97.05% <90.00%> (-0.51%)	⬇️
packages/nx-affected-matrix/src/main.ts	90.90% <90.90%> (ø)
packages/nx-distributed-task/src/app/cache.ts	100.00% <100.00%> (ø)
packages/nx-distributed-task/src/main.ts	100.00% <100.00%> (ø)
... and 4 more

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