cluster/certs: update k0 certs

This leaves us with the next set of expiring certs in September 2021.

Fixes b/36.

Change-Id: I536497626c0dd3807fccf28d4b61e5e531cf8d9c
diff --git a/cluster/certs/etcd-bc01n01.hswaw.net.cert b/cluster/certs/etcd-bc01n01.hswaw.net.cert
index 917ad22..d16a7d7 100644
--- a/cluster/certs/etcd-bc01n01.hswaw.net.cert
+++ b/cluster/certs/etcd-bc01n01.hswaw.net.cert
@@ -1,9 +1,9 @@
 -----BEGIN CERTIFICATE-----
-MIIFHDCCBASgAwIBAgIUBd/lkgCFa6VNTU862aFQGQd6i8gwDQYJKoZIhvcNAQEL
+MIIFHDCCBASgAwIBAgIUKFAZXQEwMakUQQEyk/RkCzXhCMcwDQYJKoZIhvcNAQEL
 BQAweDELMAkGA1UEBhMCUEwxFDASBgNVBAgTC01hem93aWVja2llMQ8wDQYDVQQH
 EwZXYXJzYXcxGzAZBgNVBAoTEldhcnNhdyBIYWNrZXJzcGFjZTETMBEGA1UECxMK
-Y2x1c3RlcmNmZzEQMA4GA1UEAxMHZXRjZCBjYTAeFw0yMDAzMjgxNTUzMDBaFw0y
-MTAzMjgxNTUzMDBaMHcxCzAJBgNVBAYTAlBMMRQwEgYDVQQIEwtNYXpvd2llY2tp
+Y2x1c3RlcmNmZzEQMA4GA1UEAxMHZXRjZCBjYTAeFw0yMTAzMjcxMTI3MDBaFw0y
+MjAzMjcxMTI3MDBaMHcxCzAJBgNVBAYTAlBMMRQwEgYDVQQIEwtNYXpvd2llY2tp
 ZTEPMA0GA1UEBxMGV2Fyc2F3MSUwIwYDVQQLExxub2RlIGV0Y2Qgc2VydmVyIGNl
 cnRpZmljYXRlMRowGAYDVQQDExFiYzAxbjAxLmhzd2F3Lm5ldDCCAiIwDQYJKoZI
 hvcNAQEBBQADggIPADCCAgoCggIBAKkSjQ1EVgGR6w/MTgdnd4GSTqOOFgp/cTpk
@@ -21,10 +21,10 @@
 AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTKhiQ/ZeBG
 JuOq1RG7YfHouV2kSTAfBgNVHSMEGDAWgBTxWbhmTT7D50LugaPURn85U3X5DzAc
 BgNVHREEFTATghFiYzAxbjAxLmhzd2F3Lm5ldDANBgkqhkiG9w0BAQsFAAOCAQEA
-LzWMoHGuMxBJaql7y6PrlGr2cKX/3vBED1x4kIe1RVAA0JyF0lNpKf3dmWvHHWkF
-x7Op8/B0kKlhQAsjY2f2DvYTw+d9tg3Kg2OkS8xuBxFmMJupOQxSApp+Gi4k92kM
-SdgLIrtey4eQ1mFtWhssFWOKrU3NOXD1iLl+BfEqwvlhm524HTPlqKocBkAUCeFe
-gdei5U6FwlU/l7vhqm7Qr4doOblr63/2ls9/cOv14tweovPLtSJaYDbtE/Dto7RT
-khhK/MS0n19n1+aAXWTlcYU/0kHagaVFIRlvVyp6nMFhLV+T21jTrnf98q4mdybC
-+lUKqLwE5y4V7f/FWIKfhg==
+Sx40vjacrxv7+Naaunei6tACUzo6r7GyFMNbC1bNauikBtirK3MQwLupVhCUpNpu
+tqD+8QiC9FJ/nchAxxJLjs8w9reA7nO+kd0jsXhLU7TcYN9j3zHZ0MEM3IaWoK+V
+pNvvkjalhY5LkAJCRcUaLJJXxE4kE5C0VIBK8r904WpOB55htG4UUf5d6FN/pbFM
+UJm2IuV6PMdoSEJZinXIa0prHksBv/BYxWD9jqMuYQczZVuMnJIcJuO+F33iSTAh
+jW+IgrKhX0+rmQfr+0wpCVHYM4Xax7Gm9Evt8Yo31qHXNqyVNeGi1HBCy6T6Plhx
+L+ehquvUo2nZGfGtjaXV+g==
 -----END CERTIFICATE-----