Update psyclone ownerships (#455)

Author: t00sa

.github/CODEOWNERS

@@ -25,9 +25,9 @@
 /infrastructure/**/function_space/  @mike-hobson # @MetOffice/core-capability-development
 /infrastructure/**/io/              @andrewcoughtrie # @mo-rickywong
 /infrastructure/**/key_value/       @mo-rickywong # @mike-hobson
-/infrastructure/**/kernel_metadata/ @teranivy # @stevemullerworth
+/infrastructure/**/kernel_metadata/ @christophermaynard # @stevemullerworth
 /infrastructure/**/mesh/            @mo-rickywong # @mike-hobson
-/infrastructure/**/PSYKE/           @christophermaynard # @teranivy
+/infrastructure/**/PSYKE/           @christophermaynard
 /infrastructure/**/quadrature/      @thomasmelvin # @tommbendall
 /infrastructure/**/scalar/          @mike-hobson # @MetOffice/core-capability-development
 /infrastructure/**/time/            @matthewhambley # @andrewcoughtrie
@@ -56,7 +56,7 @@ rose-stem/site/meto/macros/            @james-bruten-mo # @jennyhickson
 rose-stem/apps                         # Mostly updated by macros, no codeowner
 
 # Other
-/etc/psyclone.cfg   @teranivy # @MetOffice/ToolsCollabDev
+/etc/psyclone.cfg   @christophermaynard
 /.github/           @andrewcoughtrie # @yaswant
 LICENSE             @stevemullerworth # @yaswant
 

.github/pull_request_template.md

@@ -64,7 +64,7 @@ Code Reviewer: <!-- CR id, filled by SSD/CCD (e.g. @octocat) -->
 
 ## PSyclone Approval
 
-- [ ] If you have edited any PSyclone-related code (e.g. PSyKAl-lite, Kernel interface, optimisation scripts, LFRic data structure code) then please contact the [TCD Team](mailto:ToolsCollabDevTeam@metoffice.gov.uk)
+- [ ] If you have edited any PSyclone-related code (e.g. PSyKAl-lite, Kernel interface, optimisation scripts, LFRic data structure code) then please contact the [HPC Optimisation Team](mailto:ML-NC-Prediction-SMIT-HPCOptimisation@metoffice.gov.uk)
 
 # Sci/Tech Review