No longer need to force PHP 7.4.25 in CI

[dennisameling]

This has been fixed upstream in the meantime: oerdnj/deb.sury.org#1682

[codecov-commenter]

Codecov Report

Merging #261 (c6bd4c3) into main (862286d) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #261   +/-   ##
=========================================
  Coverage     51.45%   51.45%           
  Complexity      406      406           
=========================================
  Files            30       30           
  Lines          1028     1028           
=========================================
  Hits            529      529           
  Misses          499      499           

---

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 862286d...c6bd4c3. Read the comment docs.