chore: upgrade to mocha@10

[trentm]

From mocha@7. Drop use of ts-mocha in favour of a .mocharc.yml.
This mimicks the same mocha@10 update that was done in opentelemetry-js.git
a long while back.

Refs: #1826 (comment)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.45%. Comparing base (d11efb3) to head (0d0f0aa).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2481      +/-   ##
==========================================
- Coverage   90.74%   90.45%   -0.29%     
==========================================
  Files         156      106      -50     
  Lines        7723     5237    -2486     
  Branches     1588     1049     -539     
==========================================
- Hits         7008     4737    -2271     
+ Misses        715      500     -215     

see 51 files with indirect coverage changes

[trentm]

npm test in instr-router is failing:

 > @opentelemetry/instrumentation-router@0.40.0 test
> nyc mocha 'test/**/*.ts'


 Exception during run: test/index.test.ts(30,25): error TS7016: Could not find a declaration file for module 'router'. '/home/runner/work/opentelemetry-js-contrib/opentelemetry-js-contrib/node_modules/router/index.js' implicitly has an 'any' type.
  Try `npm i --save-dev @types/router` if it exists or add a new declaration (.d.ts) file containing `declare module 'router';`
Error: test/index.test.ts(39,15): error TS7006: Parameter 'req' implicitly has an 'any' type.
Error: test/index.test.ts(39,20): error TS7006: Parameter 'res' implicitly has an 'any' type.
Error: test/index.test.ts(39,25): error TS7006: Parameter 'next' implicitly has an 'any' type.
Error: test/index.test.ts(44,23): error TS7006: Parameter 'req' implicitly has an 'any' type.
Error: test/index.test.ts(44,28): error TS7006: Parameter 'res' implicitly has an 'any' type.
Error: test/index.test.ts(44,33): error TS7006: Parameter 'next' implicitly has an 'any' type.
Error: test/index.test.ts(48,38): error TS7006: Parameter 'req' implicitly has an 'any' type.
Error: test/index.test.ts(48,43): error TS7006: Parameter 'res' implicitly has an 'any' type.
Error: test/index.test.ts(48,48): error TS7006: Parameter 'next' implicitly has an 'any' type.
Error: test/index.test.ts(54,43): error TS7006: Parameter 'req' implicitly has an 'any' type.
Error: test/index.test.ts(54,48): error TS7006: Parameter 'res' implicitly has an 'any' type.
Error: test/index.test.ts(54,53): error TS7006: Parameter 'next' implicitly has an 'any' type.
Error: test/index.test.ts(63,51): error TS7006: Parameter 'req' implicitly has an 'any' type.
Error: test/index.test.ts(63,56): error TS7006: Parameter 'res' implicitly has an 'any' type.
Error: test/index.test.ts(63,61): error TS7006: Parameter 'next' implicitly has an 'any' type.
Error: test/index.test.ts(74,51): error TS7006: Parameter 'err' implicitly has an 'any' type.
Error: test/index.test.ts(74,56): error TS7006: Parameter 'req' implicitly has an 'any' type.
Error: test/index.test.ts(74,61): error TS7006: Parameter 'res' implicitly has an 'any' type.
Error: test/index.test.ts(74,66): error TS7006: Parameter 'next' implicitly has an 'any' type.
Error: test/index.test.ts(79,38): error TS7006: Parameter 'req' implicitly has an 'any' type.
Error: test/index.test.ts(79,43): error TS7006: Parameter 'res' implicitly has an 'any' type.
Error: test/index.test.ts(79,48): error TS7006: Parameter 'next' implicitly has an 'any' type.
Error: test/index.test.ts(88,22): error TS7006: Parameter 'err' implicitly has an 'any' type.

I don't know how to solve this. @david-luna If you have a chance to look at this and provide TypeScript expertise, I'd appreciate it.

[github-actions]

This package does not have an assigned component owner and is considered unmaintained. As such this package is in feature-freeze and this PR will be closed with 14 days unless a new owner or a sponsor (a member of @open-telemetry/javascript-approvers) for the feature is found. It is the responsibility of the author to find a sponsor for this feature.
Are you familiar with this package? Consider becoming a component owner.