chore(deps): update actions/upload-artifact action to v4 (#82)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: arturo-seijas <102022572+arturo-seijas@users.noreply.github.com>
Co-authored-by: Amanda H. L. de Andrade Katz <amanda.katz@canonical.com>

.github/actions/build_oci_image/action.yaml

@@ -27,7 +27,7 @@ runs:
         file: ${{ inputs.dockerfile }}
         outputs: type=docker,dest=/tmp/${{ inputs.resource-name }}.tar
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ inputs.resource-name }}
         path: /tmp/${{ inputs.resource-name }}.tar