chore(deps): update actions/upload-artifact action to v7 (#9)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/main.yml

@@ -101,7 +101,7 @@ jobs:
           cat ${{ env.BINARY_NAME }}_dev_checksums.txt
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: main-builds
           path: build/

.github/workflows/pr-checks.yml

@@ -94,7 +94,7 @@ jobs:
           GOOS=windows GOARCH=amd64 go build -o build/${{ env.BINARY_NAME }}_dev_windows_amd64.exe ./cmd
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: pr-${{ github.event.pull_request.number }}-builds
           path: build/