Bug#1089723: cacti: autopkgtest failure with php8.4

[Bas Couwenberg]

Source: cacti
Version: 1.2.28+ds1-2
Severity: serious
Justification: autopkgtest failure

Dear Maintainer,

The autopkgtest of your package fail with php8.4:

https://ci.debian.net/packages/c/cacti/testing/amd64/55216967/