Replace RSR template placeholders with actual values

Fill {{REPO}}, {{OWNER}}, {{FORGE}}, {{AUTHOR}}, {{AUTHOR_EMAIL}},
{{SECURITY_EMAIL}}, {{CURRENT_YEAR}}, and {{PROJECT_NAME}} across
CONTRIBUTING.md, CODE_OF_CONDUCT.md, SECURITY.md, issue templates,
and workflow files.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

CODE_OF_CONDUCT.md

@@ -310,7 +310,7 @@ We thank these communities for their leadership in creating welcoming spaces.
 
 If you have questions about this Code of Conduct:
 
-- Open a [Discussion](https://{{FORGE}}/hyperpolymath/language-bridges/discussions) (for general questions)
+- Open a [Discussion](https://github.com/hyperpolymath/language-bridges/discussions) (for general questions)
 - Email {{CONDUCT_EMAIL}} (for private questions)
 - Contact any maintainer directly