Prep for AngularFire v21 #2457

Job	Run time
Build	25s
Contribute Node 20 (windows-latest)	5m 33s
Contribute Node 20 (macos-latest)	2m 13s
Contribute Node 20 (ubuntu-latest)	2m 6s
Test firefox-headless	34s
Test Node 18 (ubuntu-latest)	33s
Test chrome-headless	33s
Test Node 18 (macos-latest)	40s
Test Node 20 (ubuntu-latest)	19s
Test Node 22 (windows-latest)	1m 11s
Test Node 20 (macos-latest)	34s
Test Node 22 (macos-latest)	39s
Test Node 22 (ubuntu-latest)	25s
Test Node 18 (windows-latest)	1m 17s
Test Node 20 (windows-latest)	44s
Publish (NPM)	-1s
Branch protection	-1s
	17m 44s

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