⬆️ Bump dawidd6/action-download-artifact from 3 to 7 (#421)

* ⬆️ Bump dawidd6/action-download-artifact from 3 to 7

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 3 to 7.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v3...v7)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

* fix linkchecker false postive

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: mmcky <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         shell: bash -l {0}
         run: pip list
       - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v6
+        uses: dawidd6/action-download-artifact@v7
         with:
           workflow: cache.yml
           branch: main

.github/workflows/collab.yml

@@ -22,7 +22,7 @@ jobs:
         shell: bash -l {0}
         run: pip list
       - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v3
+        uses: dawidd6/action-download-artifact@v7
         with:
           workflow: cache.yml
           branch: main

.github/workflows/linkcheck.yml

@@ -27,7 +27,7 @@ jobs:
           environment-file: environment.yml
           activate-environment: quantecon
       - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v6
+        uses: dawidd6/action-download-artifact@v7
         with:
           workflow: cache.yml
           branch: main

.github/workflows/publish.yml

@@ -28,7 +28,7 @@ jobs:
         run: pip list
       # Download Build Cache from cache.yml
       - name: Download "build" folder (cache)
-        uses: dawidd6/action-download-artifact@v6
+        uses: dawidd6/action-download-artifact@v7
         with:
           workflow: cache.yml
           branch: main

lectures/_config.yml

@@ -34,6 +34,8 @@ latex:
 sphinx:
   extra_extensions: [sphinx_multitoc_numbering, sphinxext.rediraffe, sphinx_tojupyter, sphinxcontrib.youtube, sphinx.ext.todo, sphinx_exercise, sphinx_togglebutton, sphinx.ext.intersphinx, sphinx_reredirects]
   config:
+    # false-positive links
+    linkcheck_ignore: ['https://online.stat.psu.edu/stat415/book/export/html/834']
     bibtex_reference_style: author_year
     nb_mime_priority_overrides: [
        # HTML