ci: pin all GH Actions #20345

Job	Run time
Get changed files	5s
argoexec-image	42s
Codegen	4m 47s
Windows Unit Tests	10m 50s
Lint	3m 51s
Unit Tests	4m 7s
UI	2m 15s
E2E Tests (test-executor, minimal)	13m 20s
E2E Tests (test-corefunctional, minimal)	12m 41s
E2E Tests (test-functional, minimal)	20m 5s
E2E Tests (test-api, mysql)	6m 46s
E2E Tests (test-cli, mysql)	11m 12s
E2E Tests (test-cron, minimal)	6m 50s
E2E Tests (test-examples, minimal)	6m 3s
E2E Tests (test-plugins, plugins)	3m 38s
E2E Tests (test-java-sdk, minimal)	3m 46s
E2E Tests (test-python-sdk, minimal)	3m 7s
E2E Tests (test-executor, v1.25.11-k3s1, minimal)	13m 43s
E2E Tests (test-corefunctional, v1.25.11-k3s1, minimal)	12m 57s
E2E Tests (test-functional, v1.25.11-k3s1, minimal)	19m 36s
E2E Tests - Composite result	1s
	2h 40m 22s

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