fix: correct config path typo bmb→bmm in sub-workflow files

Both deep-dive-workflow.md and full-scan-workflow.md referenced
_bmad/bmb/config.yaml instead of _bmad/bmm/config.yaml, which
would break config resolution at runtime.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/bmm/workflows/document-project/workflows/deep-dive-workflow.md

@@ -16,7 +16,7 @@ description: 'Exhaustive deep-dive documentation of specific project areas'
 
 ### Configuration Loading
 
-Load config from `{project-root}/_bmad/bmb/config.yaml` and resolve:
+Load config from `{project-root}/_bmad/bmm/config.yaml` and resolve:
 
 - `project_knowledge`
 - `user_name`

src/bmm/workflows/document-project/workflows/full-scan-workflow.md

@@ -15,7 +15,7 @@ description: 'Complete project documentation workflow (initial scan or full resc
 
 ### Configuration Loading
 
-Load config from `{project-root}/_bmad/bmb/config.yaml` and resolve:
+Load config from `{project-root}/_bmad/bmm/config.yaml` and resolve:
 
 - `project_knowledge`
 - `user_name`