fix: update repo name in chainguard config (#14)

Updated subject_pattern to use current repo name 'spec-driven-workflow' instead of old name 'spec-driven-workflow-mcp'

Fixes #13

Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>

Author: ryderstorm

.github/chainguard/main-semantic-release.sts.yaml

@@ -1,6 +1,6 @@
 issuer: https://token.actions.githubusercontent.com
 # subject pattern is defining what repo and branch is allowed to generate a token at the permission level set below
-subject_pattern: "repo:liatrio-labs/spec-driven-workflow-mcp:ref:refs/heads/main"
+subject_pattern: "repo:liatrio-labs/spec-driven-workflow:ref:refs/heads/main"
 
 permissions:
   contents: write