fix: correct remaining 'dev' to 'development' in deploy-dev-legacy workflow

- Fixed DOCS_ENV from 'dev' to 'development' for portal builds
- Fixed DOCS_ENV from 'dev' to 'development' for standards builds
- Fixed validation environment from 'dev' to 'development'
- Resolves "Configuration missing for portal in dev" error

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: jonphipps

.github/workflows/deploy-dev-legacy.yml

@@ -114,7 +114,7 @@ jobs:
         env:
           BASE_URL: /standards-dev/
           NODE_ENV: production
-          DOCS_ENV: dev
+          DOCS_ENV: development
 
       - name: Upload portal artifact
         uses: actions/upload-artifact@v4
@@ -189,7 +189,7 @@ jobs:
         env:
           BASE_URL: /standards-dev/${{ matrix.standard }}/
           NODE_ENV: production
-          DOCS_ENV: dev
+          DOCS_ENV: development
 
       - name: Upload ${{ matrix.standard }} artifact
         if: steps.should-build.outputs.build == 'true'
@@ -413,4 +413,4 @@ jobs:
     needs: deploy
     uses: ./.github/workflows/site-validation.yml
     with:
-      environment: 'dev'
+      environment: 'development'