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

ABI-FFI-README.md

@@ -374,7 +374,7 @@ When modifying the ABI/FFI:
 
 ## License
 
-{{LICENSE}}
+PMPL-1.0-or-later
 
 ## See Also