update latest version (#306)

Update latest-version file and version in install.sh

Co-authored-by: shiyuhang0 <52435083+shiyuhang0@users.noreply.github.com>

Author: github-actions[bot]

install.sh

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-version="1.0.0-beta.7"
+version="1.0.0-beta.8"
 
 repo='https://github.com/tidbcloud/tidbcloud-cli/releases/download'
 if [ -n "$TICLOUD_MIRRORS" ]; then

latest-version

@@ -1 +1 @@
-v1.0.0-beta.7
+v1.0.0-beta.8