Add Apple Pay test certificate chain

[ct-clearhaus]

Closes https://github.com/clearhaus/issues-pci/issues/1601

[mt-clearhaus]

[mt-clearhaus]

@ct-clearhaus I notice the certificates are expired:

ca-certificate.pem
subject=C = DK, O = Pedicel Inc., OU = Pedicel Certification Authority, CN = Pedicel Root CA - G3
issuer=C = DK, O = Pedicel Inc., OU = Pedicel Certification Authority, CN = Pedicel Root CA - G3
notBefore=Jan  1 00:00:00 2018 GMT
notAfter=Jan  1 00:00:00 2021 GMT

client-certificate.pem
subject=UID = merchant-url.tld.pedicel-merchant.PedicelMerchant, CN = Merchant ID: merchant-url.tld.pedicel-merchant.PedicelMerchant, OU = 1W2X3Y4Z5A, O = PedicelMerchant Inc., C = DK
issuer=C = DK, O = Pedicel Inc., OU = Pedicel Certification Authority, CN = Pedicel Root CA - G3
notBefore=Jan  1 00:00:00 2018 GMT
notAfter=Jan  1 00:00:00 2021 GMT

intermediate-certificate.pem
subject=C = DK, O = Pedicel Inc., OU = Pedicel Certification Authority, CN = Pedicel Application Integration CA - G3
issuer=C = DK, O = Pedicel Inc., OU = Pedicel Certification Authority, CN = Pedicel Root CA - G3
notBefore=Jan  1 00:00:00 2018 GMT
notAfter=Jan  1 00:00:00 2021 GMT

leaf-certificate.pem
subject=C = DK, O = Pedicel Inc., OU = pOS Systems, CN = ecc-smp-broker-sign_UC4-PROD
issuer=C = DK, O = Pedicel Inc., OU = Pedicel Certification Authority, CN = Pedicel Application Integration CA - G3
notBefore=Jan  1 00:00:00 2018 GMT
notAfter=Jan  1 00:00:00 2021 GMT

[ct-clearhaus]

That tells how many actually does do this integration with gateway.test.clearhaus.com vs. how many goes directly to production 😄

Nonetheless, let's generate a new chain, have it deployed and fix this PR 👍