Use f-strings #811

Job	Run time
Check for source changes	7s
Check if generated files are up to date	2m 18s
Docs	0s
Address sanitizer	9m 57s
Ubuntu SSL tests with OpenSSL (1.1.1w)	2m 11s
Hypothesis tests on Ubuntu	5m 41s
Ubuntu SSL tests with OpenSSL (3.0.13)	2m 13s
Ubuntu SSL tests with OpenSSL (3.1.5)	2m 10s
CIFuzz	0s
Ubuntu SSL tests with OpenSSL (3.2.1)	2m 16s
Windows / build and test (x64)	15m 34s
Windows / build and test (x86)	17m 0s
Windows / build (arm64)	2m 43s
Windows (free-threading) / build and test (x64)	27m 45s
Windows (free-threading) / build (arm64)	2m 32s
Windows (free-threading) / build and test (x86)	28m 42s
macOS / build and test (macos-14)	8m 55s
macOS (free-threading) / build and test (macos-14)	7m 48s
Ubuntu / build and test	9m 34s
macOS / build and test (macos-13)	8m 25s
Thread sanitizer / Thread sanitizer	6m 48s
Thread sanitizer (free-threading) / Thread sanitizer	9m 45s
Ubuntu (free-threading) / build and test	11m 33s
WASI / build and test	14m 48s
All required checks pass	4s
	3h 18m 49s

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