fix(spp_graduation): use OCA-valid development_status "Production/Stable"

"Stable" is not in the OCA-allowed values list. The valid value is
"Production/Stable" per pylint_odoo C8111.

Author: gonzalesedwin1123

spp_graduation/README.rst

@@ -10,9 +10,9 @@ OpenSPP Graduation Management
    !! source digest: sha256:aad197a1403a39fb971b395c0091745c0d10f8c6978896d4671688fcdd3a85cd
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+.. |badge1| image:: https://img.shields.io/badge/maturity-Production%2FStable-green.png
     :target: https://odoo-community.org/page/development-status
-    :alt: Beta
+    :alt: Production/Stable
 .. |badge2| image:: https://img.shields.io/badge/license-LGPL--3-blue.png
     :target: http://www.gnu.org/licenses/lgpl-3.0-standalone.html
     :alt: License: LGPL-3

spp_graduation/__manifest__.py

@@ -7,7 +7,7 @@
     "author": "OpenSPP.org",
     "website": "https://github.com/OpenSPP/OpenSPP2",
     "license": "LGPL-3",
-    "development_status": "Stable",
+    "development_status": "Production/Stable",
     "maintainers": ["jeremi", "gonzalesedwin1123", "emjay0921"],
     "depends": [
         "base",

spp_graduation/static/description/index.html

@@ -369,7 +369,7 @@ <h1 class="title">OpenSPP Graduation Management</h1>
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 !! source digest: sha256:aad197a1403a39fb971b395c0091745c0d10f8c6978896d4671688fcdd3a85cd
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/lgpl-3.0-standalone.html"><img alt="License: LGPL-3" src="https://img.shields.io/badge/license-LGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OpenSPP/OpenSPP2/tree/19.0/spp_graduation"><img alt="OpenSPP/OpenSPP2" src="https://img.shields.io/badge/github-OpenSPP%2FOpenSPP2-lightgray.png?logo=github" /></a></p>
+<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Production/Stable" src="https://img.shields.io/badge/maturity-Production%2FStable-green.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/lgpl-3.0-standalone.html"><img alt="License: LGPL-3" src="https://img.shields.io/badge/license-LGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OpenSPP/OpenSPP2/tree/19.0/spp_graduation"><img alt="OpenSPP/OpenSPP2" src="https://img.shields.io/badge/github-OpenSPP%2FOpenSPP2-lightgray.png?logo=github" /></a></p>
 <p>Manages beneficiary graduation and exit from time-bound social
 protection programs. Defines graduation pathways with weighted criteria,
 conducts assessments against those criteria, calculates readiness