ci: update download-artifact action to v4

v2 is deprecated and not supported anymore.

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

.github/workflows/clang.yaml

@@ -123,7 +123,7 @@ jobs:
     if: (success() || failure() ) && needs.clang-build.outputs.report_needed != 0
     steps:
       - name: Download Artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           path: artifacts
 

.github/workflows/codecov.yaml

@@ -113,7 +113,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Download Artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           path: coverage/reports
 

.github/workflows/twister.yaml

@@ -236,7 +236,7 @@ jobs:
 
     steps:
       - name: Download Artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           path: artifacts