Update server5.[e]ku-*.crt

Signed-off-by: Pengyu Lv <pengyu.lv@arm.com>
diff --git a/tests/data_files/server5.eku-cli.crt b/tests/data_files/server5.eku-cli.crt
index 8aa2e44..8d04559 100644
--- a/tests/data_files/server5.eku-cli.crt
+++ b/tests/data_files/server5.eku-cli.crt
@@ -1,13 +1,13 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----