subversion: upgrade serf.

This is a small upgrade to the serf package within the wider Subversion.
subversion: update 1.8.9 bottle.

Closes #30351.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Remove FormulaPin dependency on FileUtils
Simplify picking pinned version
clib 1.2.0
clib: update 1.2.0 bottle.

Closes #30342.
iperf3 3.0.5
iperf3: update 3.0.5 bottle.

Closes #30343.
emscripten 1.20.0
emscripten: update 1.20.0 bottle.

Closes #30344.
Sick-Beard 505
sickbeard: update 505 bottle.

Closes #30346.
aha 0.4.7.2
Bear 1.4.2
betty v0.1.6
clojurescript r2234
cyassl v3.0.2
f3 v3.0
fail2ban 0.8.13
HashPump v1.1.0