Added php8 to list of forbidden executable extensions

[SniperSister]

Summary of Changes

Added PHP8 to the hardcoded list of executables

Testing Instructions

Verify by code review

[richard67]

As it's for staging I've removed the "[3.10]" from the title.

[richard67]

I have tested this item ✅ successfully on 595e238

Code review.

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[brianteeman]

I have tested this item ✅ successfully on 595e238

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[richard67]

RTC

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[richard67]

@SniperSister It's not sufficient to set the RTC label on GitHub to get the right status shown in the issue tracker. It needs to use the tracker and change status there. I've done that here now.

[richard67]

Drone failing for unrelated reasons ... restarted to see if it succeeds this time.

[brianteeman]

I have not tested this item.

reverting my successful test

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[richard67]

Back to pending.

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[RickR2H]

I have tested this item ✅ successfully on 595e238

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[richard67]

RTC

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[brianteeman]

I have tested this item 🔴 unsuccessfully on 595e238

The reasoning behind this list makes it incomplete

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[richard67]

Back to pending.

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[zero-24]

Merging to sync up with 4.0: #35001 Thanks!