add the post-cert-succession root to the monitor (#1082)

This adds the the root certificate for contentsignaturepki and xpi
(content signature and addons signing) that was created to last longer
than March 2025.

This has been erroring in AWS, and came up after adding the new
post-cert-succession configs to GCP prod.

tools/autograph-monitor/constants.go

@@ -266,4 +266,42 @@ ZARKjbu1TuYQHf0fs+GwID8zeLc2zJL7UzcHFwwQ6Nda9OJN4uPAuC/BKaIpxCLL
 26b24/tRam4SJjqpiq20lynhUrmTtt6hbG3E1Hpy3bmkt2DYnuMFwEx2gfXNcnbT
 wNuvFqc=
 -----END CERTIFICATE-----`,
+	`-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+`,
 }