Sort SIG names in repo owner list

This sorts the list of SIGs in sig-repos to keep it a little more
organized. Also updates some of the names so things actually match
between the names defined in openstack/governance-sigs and the list
here in case we want to start performing any kind of checks or reporting
across the data stored in each location.

Change-Id: Ic1fbe5d7ec5400675ffe7e7de6f69da77ac6ac86
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

reference/sigs-repos.yaml

@@ -1,55 +1,13 @@
 ---
 # List of repositories owned by SIGs
-ansible:
+Ansible:
   - repo: openstack/ansible-collections-openstack
   - repo: openstack/ansible-plugin-container-connection
-meta:
-  - repo: openstack/governance-sigs
-security:
-  - repo: openstack/ossa
-  - repo: openstack/security-analysis
-  - repo: openstack/security-doc
-  - repo: openstack/security-specs
-operations-docs:
-  - repo: openstack/operations-guide
-  - repo: openstack/ha-guide
-  - repo: openstack/arch-design
-technical-writing:
-  - repo: openstack/constellations
-  - repo: openstack/openstack-manuals
-  - repo: openstack/training-labs
-  - repo: openstack/training-guides
-  - repo: openstack/upstream-institute-virtual-environment
-  - repo: openstack/contributor-guide
-  - repo: openstack/api-site
-api:
+API:
   - repo: openstack/api-sig
-Public Cloud SIG:
-  - repo: openstack/publiccloud-sig
-PowerVMStackers:
-  - repo: openstack/ceilometer-powervm
-  - repo: openstack/networking-powervm
-  - repo: openstack/nova-powervm
-Multi-Arch:
-  - repo: openstack/multi-arch-sig
 Automation:
   - repo: openstack/auto-scaling-sig
   - repo: openstack/self-healing-sig
-Testing and Collaboration Tools:
-  - repo: openstack/bugdaystats
-  - repo: openstack/devstack-gate
-  - repo: openstack/diskimage-builder
-  - repo: openstack/logstash-filters
-  - repo: openstack/nose-html-output
-  - repo: openstack/openstack-nose
-  - repo: openstack/openstack-planet
-  - repo: openstack/openstack-zuul-jobs
-  - repo: openstack/openstack-zuul-roles
-  - repo: openstack/os-loganalyze
-  - repo: openstack/project-config
-  - repo: openstack/ptgbot
-  - repo: openstack/reviewday
-  - repo: openstack/reviewstats
 i18n:
   - repo: openstack/i18n
     extra-atcs:
@@ -181,3 +139,45 @@ i18n:
       email: yusuke_higashino@adoc.co.jp
       expires-in: January 2020
       comment: yusuke1219 (ja)
+Meta:
+  - repo: openstack/governance-sigs
+Multi-Arch:
+  - repo: openstack/multi-arch-sig
+Operation Docs and Tooling:
+  - repo: openstack/operations-guide
+  - repo: openstack/ha-guide
+  - repo: openstack/arch-design
+PowerVMStackers:
+  - repo: openstack/ceilometer-powervm
+  - repo: openstack/networking-powervm
+  - repo: openstack/nova-powervm
+Public Cloud SIG:
+  - repo: openstack/publiccloud-sig
+Security:
+  - repo: openstack/ossa
+  - repo: openstack/security-analysis
+  - repo: openstack/security-doc
+  - repo: openstack/security-specs
+Technical Writing:
+  - repo: openstack/constellations
+  - repo: openstack/openstack-manuals
+  - repo: openstack/training-labs
+  - repo: openstack/training-guides
+  - repo: openstack/upstream-institute-virtual-environment
+  - repo: openstack/contributor-guide
+  - repo: openstack/api-site
+Testing and Collaboration Tools:
+  - repo: openstack/bugdaystats
+  - repo: openstack/devstack-gate
+  - repo: openstack/diskimage-builder
+  - repo: openstack/logstash-filters
+  - repo: openstack/nose-html-output
+  - repo: openstack/openstack-nose
+  - repo: openstack/openstack-planet
+  - repo: openstack/openstack-zuul-jobs
+  - repo: openstack/openstack-zuul-roles
+  - repo: openstack/os-loganalyze
+  - repo: openstack/project-config
+  - repo: openstack/ptgbot
+  - repo: openstack/reviewday
+  - repo: openstack/reviewstats