Bump actions/download-artifact from 2 to 4.1.7 in /.github/workflows

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 2 to 4.1.7.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v2...v4.1.7)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-type: direct:production
...

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

.github/workflows/c.yaml

@@ -146,7 +146,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Download C Shared Library artifacts
-      uses: actions/download-artifact@v2
+      uses: actions/download-artifact@v4.1.7
       with:
         name: c-shared-lib
         path: c-shared-lib/

.github/workflows/python.yaml

@@ -64,7 +64,7 @@ jobs:
       #     brew install openblas &&
       #     echo "OPENBLAS='$(brew --prefix openblas)'" >> $GITHUB_ENV
       - name: Download python-dist artifact
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4.1.7
         with:
           name: python-dist
           path: dist/
@@ -211,7 +211,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Download python-dist artifact
-      uses: actions/download-artifact@v2
+      uses: actions/download-artifact@v4.1.7
       with:
         name: python-dist
         path: dist/
@@ -234,7 +234,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Download Python artifacts
-      uses: actions/download-artifact@v2
+      uses: actions/download-artifact@v4.1.7
       with:
         name: python-dist
         path: python-dist/