Update upload-artifact gh action to v4 (#562)

## Describe your changes and provide context

## Testing performed to validate your change

.github/workflows/test.yml

@@ -30,43 +30,43 @@ jobs:
       - name: Split pkgs into 10 files
         run: split -d -n l/10 pkgs.txt pkgs.txt.part.
       # cache multiple
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-00"
           path: ./pkgs.txt.part.00
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-01"
           path: ./pkgs.txt.part.01
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-02"
           path: ./pkgs.txt.part.02
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-03"
           path: ./pkgs.txt.part.03
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-04"
           path: ./pkgs.txt.part.04
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-05"
           path: ./pkgs.txt.part.05
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-06"
           path: ./pkgs.txt.part.06
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-07"
           path: ./pkgs.txt.part.07
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-08"
           path: ./pkgs.txt.part.08
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-09"
           path: ./pkgs.txt.part.09
@@ -90,7 +90,7 @@ jobs:
             **/**.go
             go.mod
             go.sum
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: "${{ github.sha }}-${{ matrix.part }}"
       - name: Get data from Go build cache
@@ -106,7 +106,7 @@ jobs:
         run: |
           cat pkgs.txt.part.${{ matrix.part }} | xargs go test -mod=readonly -race -timeout 5m -coverprofile=${{ matrix.part }}profile.out -covermode=atomic -tags='ledger test_ledger_mock'
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: "${{ github.sha }}-${{ matrix.part }}-coverage"
           path: ./${{ matrix.part }}profile.out
@@ -122,7 +122,7 @@ jobs:
 
       # Download all coverage reports from the 'tests' job
       - name: Download coverage reports
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
 
       - name: Set GOPATH
         run: echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV