Update EC certs to use NIST-256 and NIST-384
diff --git a/tests/data_files/server8_int-ca2.crt b/tests/data_files/server8_int-ca2.crt
index e43e6b8..7a8da71 100644
--- a/tests/data_files/server8_int-ca2.crt
+++ b/tests/data_files/server8_int-ca2.crt
@@ -1,30 +1,36 @@
-----BEGIN CERTIFICATE-----
-MIIB4TCCAZmgAwIBAgIBAzAJBgcqhkjOPQQBMEsxCzAJBgNVBAYTAk5MMREwDwYD
-VQQKEwhQb2xhclNTTDEpMCcGA1UEAxMgUG9sYXJTU0wgVGVzdCBJbnRlcm1lZGlh
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-SAnWzz4=
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
-MIICvDCCAaSgAwIBAgIBETANBgkqhkiG9w0BAQUFADA7MQswCQYDVQQGEwJOTDER
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-----END CERTIFICATE-----