fix: Fix rustup update (#29093)

Signed-off-by: yangxuan <xuan.yang@zilliz.com>

scripts/3rdparty_build.sh

@@ -67,6 +67,8 @@ git clone --depth=1 --branch v0.43.0-rc.2 https://github.com/apache/incubator-op
 cd opendal
 if command -v cargo >/dev/null 2>&1; then
     echo "cargo exists"
+    rustup toolchain uninstall stable
+    rustup toolchain install stable
 else
     bash -c "curl https://sh.rustup.rs -sSf | sh -s -- -y" || { echo 'rustup install failed'; exit 1;}
     source $HOME/.cargo/env