Fix: Enable required extensions only

[localheinz]

This pull request

• enables required extensions only

Follows sebastianbergmann/phpunit#4759.

[codecov]

Codecov Report

Merging #433 (b3337b9) into main (4c2a931) will increase coverage by 0.02%.
The diff coverage is n/a.

❗ Current head b3337b9 differs from pull request most recent head 5181a74. Consider uploading reports for the commit 5181a74 to get more accurate results

@@             Coverage Diff              @@
##               main     #433      +/-   ##
============================================
+ Coverage     98.90%   98.92%   +0.02%     
  Complexity       58       58              
============================================
  Files            14       14              
  Lines           182      186       +4     
============================================
+ Hits            180      184       +4     
  Misses            2        2              

Impacted Files	Coverage Δ
src/Type/MIT.php	100.00% <0.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4c2a931...5181a74. Read the comment docs.