Update contributor guide for 2025.2 Flamingo

Change-Id: Ibe2749f53069042d47b4828d5c12e6976265bd83
Signed-off-by: Takashi Natsume <takanattie@gmail.com>

doc/source/contributor/how-to-get-involved.rst

@@ -323,7 +323,7 @@ becoming a member of nova-core.
 How to do great nova-spec reviews?
 ==================================
 
-https://specs.openstack.org/openstack/nova-specs/specs/2025.1/template.html
+https://specs.openstack.org/openstack/nova-specs/specs/2025.2/template.html
 
 :doc:`/contributor/blueprints`.
 

doc/source/contributor/process.rst

@@ -36,8 +36,8 @@ If you are new to Nova, please read this first: :ref:`getting_involved`.
 Dates overview
 ==============
 
-For 2025.1 Epoxy, please see:
-https://wiki.openstack.org/wiki/Nova/2025.1_Release_Schedule
+For 2025.2 Flamingo, please see:
+https://wiki.openstack.org/wiki/Nova/2025.2_Release_Schedule
 
 .. note:: Throughout this document any link which references the name of a
           release cycle in the link can usually be changed to the name of the
@@ -102,9 +102,9 @@ Why we have a Spec Freeze:
 
 By the freeze date, we expect all blueprints that will be approved for the
 cycle to be listed on launchpad and all relevant specs to be merged.
-For 2025.1 Epoxy, blueprints can be found at
-https://blueprints.launchpad.net/nova/2025.1 and specs at
-https://specs.openstack.org/openstack/nova-specs/specs/2025.1/index.html
+For 2025.2 Flamingo, blueprints can be found at
+https://blueprints.launchpad.net/nova/2025.2 and specs at
+https://specs.openstack.org/openstack/nova-specs/specs/2025.2/index.html
 
 Starting with Liberty, we are keeping a backlog open for submission at all
 times.