build(deps): bump pbkdf2 from 3.1.2 to 3.1.3 #14896

Job	Run time
Build Firestore	5m 36s
Test Firestore Compatible	1h 22m 52s
Test Firestore (test:travis)	4m 5s
Test Firestore (test:lite:browser)	1m 17s
Test Firestore (test:browser:prod:nameddb)	9m 21s
Test Firestore (test:browser)	9m 4s
Test Firestore Compatible on Webkit	7m 35s
Test Firestore Compatible on Firefox	6m 14s
Test Firestore (test:lite:browser:nameddb)	2m 7s
Test Firestore on Webkit (test:browser)	9m 34s
Test Firestore on Firefox (test:travis)	4m 13s
Test Firestore on Webkit (test:browser:prod:nameddb)	12m 5s
Test Firestore on Webkit (test:lite:browser)	2m 22s
Test Firestore on Webkit (test:lite:browser:nameddb)	2m 1s
Test Firestore on Firefox (test:lite:browser)	1m 46s
Test Firestore on Firefox (test:browser)	12m 24s
Test Firestore on Firefox (test:browser:prod:nameddb)	12m 38s
Test Nightly Firestore with Chrome	0s
Test Firestore on Firefox (test:lite:browser:nameddb)	1m 38s
Check all required tests results	2s
	3h 6m 54s

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