[MM-61426] Bump to pion v4 #813

Job	Run time
build-mattermost-plugin-calls	5m 8s
generate-matrix	1s
build-rtcd-image	1m 13s
e2e-playwright-test (1)	1m 45s
e2e-playwright-test (2)	1m 32s
e2e-playwright-test (3)	1m 33s
e2e-playwright-test (4)	1m 31s
e2e-playwright-test (5)	1m 34s
e2e-playwright-test (6)	1m 29s
e2e-playwright-test (7)	1m 34s
e2e-playwright-test (8)	1m 36s
e2e-playwright-test (9)	1m 35s
e2e-playwright-test (10)	1m 43s
	22m 14s

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