fix(curriculum): add CURRICULUM_ROOT (#10602)

fix(build): add CURRICULUM_ROOT to prod

Author: fiji-flo

Diff for: .github/workflows/prod-build.yml

@@ -175,6 +175,7 @@ jobs:
           CONTENT_TRANSLATED_ROOT: ${{ github.workspace }}/mdn/translated-content/files
           CONTRIBUTOR_SPOTLIGHT_ROOT: ${{ github.workspace }}/mdn/mdn-contributor-spotlight/contributors
           BLOG_ROOT: ${{ github.workspace }}/mdn/mdn-studio/content/posts
+          CURRICULUM_ROOT: ${{ github.workspace }}/mdn/curriculum
           BASE_URL: "https://developer.mozilla.org"
 
           # The default for this environment variable is geared for writers

Diff for: .github/workflows/xyz-build.yml

@@ -110,6 +110,7 @@ jobs:
           CONTENT_TRANSLATED_ROOT: ${{ github.workspace }}/mdn/translated-content/files
           CONTRIBUTOR_SPOTLIGHT_ROOT: ${{ github.workspace }}/mdn/mdn-contributor-spotlight/contributors
           BLOG_ROOT: ${{ github.workspace }}/mdn/mdn-studio/content/posts
+          CURRICULUM_ROOT: ${{ github.workspace }}/mdn/curriculum
           BASE_URL: "https://developer.allizom.xyz"
 
           # The default for this environment variable is geared for writers