gh-115809: Improve TimedRotatingFileHandler.getFilesToDelete() #104702

Job	Run time
Check for source changes	10s
Check if generated files are up to date	5m 43s
Address sanitizer	8m 49s
Ubuntu SSL tests with OpenSSL (1.1.1w)	2m 25s
Ubuntu SSL tests with OpenSSL (3.0.13)	2m 1s
Ubuntu SSL tests with OpenSSL (3.1.5)	2m 58s
Hypothesis tests on Ubuntu	4m 45s
Ubuntu SSL tests with OpenSSL (3.2.1)	2m 9s
CIFuzz	0s
Windows / build and test (x64)	13m 41s
Windows / build (arm64)	2m 51s
Windows / build and test (x86)	14m 9s
macOS / build and test (macos-14)	6m 42s
macOS / build and test (macos-13)	12m 56s
macOS (free-threading) / build and test (macos-14)	10m 15s
macOS (free-threading) / build and test (macos-13)	15m 32s
Windows (free-threading) / build and test (x64)	23m 0s
Windows (free-threading) / build (arm64)	2m 49s
Ubuntu / build and test	6m 29s
Windows (free-threading) / build and test (x86)	23m 32s
Ubuntu (free-threading) / build and test	7m 43s
Docs / Docs	2m 2s
Docs / Docs (Oldest Sphinx)	1m 45s
Docs / Doctest	5m 55s
All required checks pass	3s
	2h 58m 24s

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