9675c9e914
With igbinary >=3.2.6 already built, see
https://launchpad.net/~ondrej/+archive/ubuntu/php/+packages?field.name_filter=igbinary&field.status_filter=published
We can revert the temporal workaround applied few weeks ago (that
sometimes is failing). So this is a simple revert of the original commit.
Revert "MDL-72312 GHA: Force use of igbinary working version"
This reverts commit ced1550177.