fix: Update artifact actions from v3 to v4

GitHub deprecated v3, update to v4 for upload/download artifacts

Author: varshith-Git

.github/workflows/multi-arch-determinism.yml

@@ -39,7 +39,7 @@ jobs:
           cat x86_hash.txt
           
       - name: Upload hash artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: x86-hash
           path: x86_hash.txt
@@ -75,7 +75,7 @@ jobs:
           cat arm_hash.txt
           
       - name: Upload hash artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: arm-hash
           path: arm_hash.txt
@@ -122,7 +122,7 @@ jobs:
           cat wasm_hash.txt
           
       - name: Upload hash artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: wasm-hash
           path: wasm_hash.txt
@@ -134,17 +134,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download x86 hash
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: x86-hash
 
       - name: Download ARM hash
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: arm-hash
 
       - name: Download WASM hash
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: wasm-hash
 
@@ -170,3 +170,4 @@ jobs:
             echo "Determinism broken - this should never happen"
             exit 1
           fi
+