Make `mach test-tidy --self-test` compatible with Python3
It now runs in CI to avoid future regressions.
See #23607
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Fix performance interface timing member
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- [x] These changes fix#23330 and #24468 (GitHub issue number if applicable)
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Cap the number of glyphs per WebRender text run to avoid overflowing WR's limit.
Closes#17230.
r? @jdm
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Disable H2 ALPN.
This was introduced by #24976, and it breaks loading https://google.com. Without any network specialists currently contributing to Servo regularly, I would rather revert the particular change that broke it rather than attempt to continue investigating.
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix#25286
- [x] These changes do not require tests because no H2 testing, no HTTPS configuration testing.
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