gh-126353: remove implicit creation of loop from `get_event_loop` #131469

Job	Run time
Change detection / Compute changed files	9s
Check if generated files are up to date	3m 33s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.0.15)	2m 26s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.1.7)	2m 14s
Check if Autoconf files are up to date	21s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.2.3)	2m 29s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.3.2)	2m 21s
Address sanitizer (ubuntu-22.04)	7m 6s
Hypothesis tests on Ubuntu	5m 20s
Windows MSI${{ '' }}	0s
CIFuzz	0s
Thread sanitizer / Thread sanitizer	4m 39s
Thread sanitizer (free-threading) / Thread sanitizer	7m 12s
WASI / build and test	5m 12s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	5m 16s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 21s
macOS / build and test (macos-13)	9m 34s
Ubuntu / build and test (ubuntu-22.04)	7m 18s
Windows / build (arm64)	3m 13s
Windows (free-threading) / build (arm64)	2m 24s
Windows / build and test (Win32)	15m 4s
Windows (free-threading) / build and test (Win32)	15m 4s
Windows (free-threading) / build and test (x64)	15m 5s
Windows / build and test (x64)	14m 55s
Ubuntu (free-threading) / build and test (ubuntu-22.04)	7m 35s
Docs / Docs	2m 5s
Docs / Doctest	15m 19s
Docs / Docs (Oldest Sphinx)	2m 4s
All required checks pass	4s
	2h 42m 23s

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