Bump koa from 3.0.1 to 3.0.3 #18578

Job	Run time
Build VSIX	1m 20s
Type Script Tests (windows-latest, ts-unit)	5m 47s
Type Script Tests (ubuntu-latest, ts-unit)	1m 0s
cancel_previous_runs	6s
Lint	2m 13s
Tests (raw, python, 3.10, @widgets, ubuntu-latest)	4m 41s
Tests (raw, python, 3.10, @iw, ubuntu-latest)	12m 55s
Tests (remote, python, 3.10, ^[^@]+$\|@mandatory, ubuntu-latest)	4m 20s
Tests (raw, python, 3.10, @debugger, ubuntu-latest)	8m 3s
Tests (raw, noPython, @nonPython, ubuntu-latest)	4m 17s
Tests (web, python, 3.10, ^[^@]+$\|@mandatory, ubuntu-latest)	3m 39s
Tests (remote, python, 3.10, prerelease, ^[^@]+$\|@mandatory, ubuntu-latest)	5m 24s
Tests (remote, python, 3.10, @widgets, ubuntu-latest)	9m 49s
Tests (raw, python, 3.10, ^[^@]+$\|@mandatory, windows-latest)	16m 12s
Tests (raw, conda, 3.10, ^[^@]+$\|@mandatory\|@python, ubuntu-latest)	5m 59s
Tests (raw, python, 3.10, prerelease, ^[^@]+$\|@mandatory\|@kernelCore\|@python\|@jupyter\|@widgets, u...	51m 28s
Tests (raw, python, 3.10, @widgets, ubuntu-latest, 7)	43m 6s
Tests (raw, python, 3.10, @webview\|@export\|@lsp\|@variableViewer, ubuntu-latest)	34m 33s
Tests (raw, python, 3.10, ^[^@]+$\|@mandatory\|@kernelCore\|@python\|@jupyter, ubuntu-latest)	55m 56s
Tests (remote, python, 3.10, @kernelCore, ubuntu-latest)	8m 31s
Smoke tests (windows-latest, 3.10)	3m 43s
Smoke tests (ubuntu-latest, 3.10)	3m 25s
Smoke tests (macos-latest, 3.10)	2m 59s
	4h 49m 26s

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