gh-111997: Fix argument count for LINE event and clarify type of argument counts. #113037

Job	Run time
Check for source changes	9s
Check if generated files are up to date	6m 0s
Address sanitizer	8m 5s
Ubuntu SSL tests with OpenSSL (1.1.1w)	2m 8s
Docs	0s
Ubuntu SSL tests with OpenSSL (3.0.13)	2m 6s
Hypothesis tests on Ubuntu	5m 31s
CIFuzz (address)	19m 23s
Ubuntu SSL tests with OpenSSL (3.1.5)	2m 10s
CIFuzz (undefined)	20m 42s
Ubuntu SSL tests with OpenSSL (3.2.1)	1m 59s
CIFuzz (memory)	20m 16s
Windows / build and test (x64)	19m 42s
Windows / build and test (x86)	18m 25s
macOS / build and test (macos-14)	15m 47s
macOS / build and test (macos-13)	9m 30s
Windows / build (arm64)	3m 34s
Windows (free-threading) / build and test (x64)	20m 37s
Windows (free-threading) / build (arm64)	3m 23s
Windows (free-threading) / build and test (x86)	21m 3s
macOS (free-threading) / build and test (macos-14)	10m 11s
Thread sanitizer / Thread sanitizer	4m 3s
Thread sanitizer (free-threading) / Thread sanitizer	7m 38s
Ubuntu / build and test	6m 54s
Ubuntu (free-threading) / build and test	9m 24s
WASI / build and test	11m 57s
All required checks pass	4s
	4h 10m 41s

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