Add `enable_wasm_sdk_build: true` to `pull_request.yml` #37

Job	Run time
Test / Swift SDK for Wasm Build (nightly-main - jammy)	1m 20s
Test / Swift SDK for Wasm Build (nightly-6.2 - jammy)	1m 17s
Test / Windows (6.0 - windows-2022)	6m 42s
Test / Windows (6.1 - windows-2022)	10m 4s
Test / Windows (5.9 - windows-2022)	7m 33s
Test / Windows (nightly-6.2 - windows-2022)	17m 38s
Test / Windows (nightly - windows-2022)	11m 56s
Test / Linux (6.1 - jammy)	55s
Test / Linux (5.9 - jammy)	47s
Test / Linux (5.10 - jammy)	48s
Test / Linux (nightly-6.2 - jammy)	1m 7s
Test / Linux (nightly-main - jammy)	1m 18s
Test / Static Linux Swift SDK Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test / Linux (6.0 - jammy)	54s
Test / macOS (Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})	-1s
Test / Embedded Swift SDK for Wasm Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	-1s
Soundness / Format check	32s
Soundness / API breakage check	1m 9s
Soundness / Unacceptable language check	5s
Soundness / YAML lint check	3s
Soundness / Shell check	31s
Soundness / Python lint check	8s
Soundness / License headers check	4s
Soundness / Broken symlinks check	4s
Soundness / Documentation check	1m 9s
	1h 6m 2s

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