chore: pin GHA PM action version (#3888) #2040

Job	Run time
Generate SDKs	3m 51s
Run OIDC conformity tests	8m 26s
Run tests and lints	16m 25s
Run HSM tests	6m 46s
Run end-to-end tests (memory)	5m 0s
Run end-to-end tests (memory, --jwt)	4m 59s
Run end-to-end tests (postgres)	5m 9s
Run end-to-end tests (postgres, --jwt)	5m 2s
Run end-to-end tests (mysql)	5m 1s
Run end-to-end tests (mysql, --jwt)	5m 17s
Run end-to-end tests (cockroach)	5m 28s
Run end-to-end tests (cockroach, --jwt)	5m 40s
Build CLI docs	1m 5s
Generate changelog	47s
Generate release	0s
Draft newsletter	0s
Release SDKs	0s
Render version schema	0s
Send newsletter	0s
Pending approval Slack notification	0s
	1h 18m 56s

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