chore: update to Unity 6000.0.32f1 (#1942) #6487

Job	Run time
cancel-previous-workflow	4s
Build - 2019	3m 4s
UPM Package validation	37m 34s
Build - 2020	4m 9s
Build - 2021	6m 38s
sdk (Linux, ubuntu-20.04) / build	10s
sdk (Android, ubuntu-latest) / build	7m 30s
sdk (Windows, windows-latest) / build	32s
${{ matrix.unity-version }} Prepare Smoke Test	1s
${{ matrix.unity-version }} ${{ matrix.platform }} Build Smoke Test	1s
${{ matrix.unity-version }} ${{ matrix.os }} Run Smoke Test	1s
${{ matrix.unity-version }} ${{ matrix.platform }} Run Smoke Test	1s
${{ matrix.unity-version }} ${{ matrix.platform }} Compile Smoke Test	1s
${{ matrix.unity-version }} Android ${{ matrix.api-level }} Run Smoke Test	1s
${{ matrix.unity-version }} iOS ${{ matrix.ios }} Run Smoke Test	1s
	59m 48s

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