Change harfbuzz versions in wheels

[radarhere]

Two changes here.

1. As noted in Updated harfbuzz to 9.0.0 in wheels, except for manylinux2014 #8361, harfbuzz has switched to meson - https://github.com/harfbuzz/harfbuzz/releases/tag/9.0.0.

More specifically though, it now requires meson >= 0.55.

This is a problem, as the base image for oss-fuzz uses Ubuntu 20.04, which only has meson 0.53.2

So this PR downgrades harfuzz on OSS Fuzz to the version before meson became mandatory. I've used the environment variable 'SANITIZER' to detect OSS Fuzz.

2. I found that harfbuzz 8.5.0 was being installed on macOS. I've fixed that, and 10.0.1 is now installed instead.

[hugovk]

Here's an issue about upgrading Ubuntu in the base image: google/oss-fuzz#11835

[khaledhosny]

You can pip install meson on oss-fuzz build scripts, that is how we build HarfBuzz there (you might also want to bin meson version to a known working one, since new meson versions sometimes break build, at least in the past).

[radarhere]

Thanks for the suggestion! I've created #8424