[1.15.x] Vault CA bugfixes (#19285) #7351

Job	Run time
Get files changed and conditionally skip CI	40s
Setup	7s
Generate Envoy Job Matrices	4s
dev-build / build	59s
envoy-integration-test (1.25.11, server, case-dogstatsd-udp\|case-api-gateway-http-splitter-target...	6m 10s
envoy-integration-test (1.25.11, server, case-cross-peers\|case-cfg-resolver-svc-redirect-http\|cas...	6m 22s
envoy-integration-test (1.25.11, server, case-prometheus\|case-cfg-splitter-cluster-peering\|case-t...	6m 31s
envoy-integration-test (1.25.11, server, case-ingress-gateway-grpc\|case-terminating-gateway-hostn...	2m 34s
envoy-integration-test (1.25.11, client, case-dogstatsd-udp\|case-api-gateway-http-splitter-target...	6m 38s
envoy-integration-test (1.25.11, client, case-cross-peers\|case-cfg-resolver-svc-redirect-http\|cas...	6m 18s
envoy-integration-test (1.25.11, client, case-prometheus\|case-cfg-splitter-cluster-peering\|case-t...	6m 12s
envoy-integration-test (1.25.11, client, case-ingress-gateway-grpc\|case-terminating-gateway-hostn...	2m 21s
compatibility-integration-test	6m 34s
vault-integration-test (1.13.1)	2m 34s
nomad-integration-test (v1.3.3)	1m 44s
vault-integration-test (1.12.5)	2m 29s
nomad-integration-test (v1.2.10)	1m 36s
vault-integration-test (1.11.9)	2m 51s
nomad-integration-test (v1.1.16)	2m 29s
vault-integration-test (1.10.11)	3m 7s
test-integrations-success	1s
	1h 8m 21s

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