c/shepherd/equinix/wrapngo: correct metric endpoint matcher

As stated in the error message its projects instead of project

Change-Id: I4bee1fd7821d80280b314b8beaecfd88e48d81fd
Reviewed-on: https://review.monogon.dev/c/monogon/+/1822
Reviewed-by: Serge Bazanski <serge@monogon.tech>
Tested-by: Jenkins CI
diff --git a/cloud/shepherd/equinix/wrapngo/metrics.go b/cloud/shepherd/equinix/wrapngo/metrics.go
index 0f4cc94..fef506b 100644
--- a/cloud/shepherd/equinix/wrapngo/metrics.go
+++ b/cloud/shepherd/equinix/wrapngo/metrics.go
@@ -93,7 +93,7 @@
 		"GetDevice":           {"GET", regexp.MustCompile(`^/devices/[^/]+$`)},
 		"ListDevices":         {"GET", regexp.MustCompile(`^/(organizations|projects)/[^/]+/devices$`)},
 		"CreateDevice":        {"POST", regexp.MustCompile(`^/projects/[^/]+/devices$`)},
-		"ListReservations":    {"GET", regexp.MustCompile(`^/project/[^/]+/hardware-reservations$`)},
+		"ListReservations":    {"GET", regexp.MustCompile(`^/projects/[^/]+/hardware-reservations$`)},
 		"ListSSHKeys":         {"GET", regexp.MustCompile(`^/ssh-keys$`)},
 		"CreateSSHKey":        {"POST", regexp.MustCompile(`^/project/[^/]+/ssh-keys$`)},
 		"GetSSHKey":           {"GET", regexp.MustCompile(`^/ssh-keys/[^/]+$`)},