chore: pin GHA PM action version #2029

Job	Run time
Run OIDC conformity tests	8m 30s
Generate SDKs	3m 43s
Run tests and lints	16m 58s
Run HSM tests	6m 57s
Run end-to-end tests (memory)	5m 6s
Run end-to-end tests (memory, --jwt)	4m 58s
Run end-to-end tests (postgres)	5m 0s
Run end-to-end tests (postgres, --jwt)	4m 56s
Run end-to-end tests (mysql)	5m 11s
Run end-to-end tests (mysql, --jwt)	5m 11s
Run end-to-end tests (cockroach)	5m 29s
Run end-to-end tests (cockroach, --jwt)	5m 31s
Build CLI docs	1m 1s
Generate changelog	0s
Generate release	0s
Draft newsletter	0s
Render version schema	0s
Release SDKs	0s
Send newsletter	0s
Pending approval Slack notification	0s
	1h 18m 31s

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