Fix while statements with non-bool conditions in `_pyrepl` #134374

Job	Run time
Change detection / Compute changed files	11s
Check if Autoconf files are up to date	25s
Check if generated files are up to date	3m 43s
Docs	0s
Address sanitizer (ubuntu-24.04)	10m 30s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.0.15)	2m 24s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.1.7)	2m 50s
Windows MSI${{ '' }}	0s
Hypothesis tests on Ubuntu	6m 8s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.2.3)	3m 0s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.3.2)	2m 29s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.4.0)	2m 32s
CIFuzz	0s
Thread sanitizer / Thread sanitizer	4m 11s
WASI / build and test	5m 8s
Thread sanitizer (free-threading) / Thread sanitizer	6m 11s
Ubuntu / build and test (ubuntu-24.04)	8m 36s
Ubuntu (free-threading) / build and test (ubuntu-24.04)	11m 29s
Ubuntu / build and test (ubuntu-24.04-aarch64)	7m 5s
Ubuntu (free-threading) / build and test (ubuntu-24.04-aarch64)	11m 30s
Windows / build and test (arm64)	2m 50s
Windows (free-threading) / build and test (arm64)	3m 17s
Windows / build and test (Win32)	15m 24s
Windows / build and test (x64)	16m 54s
Windows (free-threading) / build and test (x64)	22m 55s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	6m 20s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 15s
macOS / build and test (macos-13)	13m 3s
All required checks pass	3s
	2h 53m 23s

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