[skip ci] Add manual trigger for code-checker&build-test (#13385)

Signed-off-by: Jenny Li <jing.li@zilliz.com>

.github/workflows/code-checker.yaml

@@ -3,6 +3,7 @@ name: Code Checker
 
 # This workflow is triggered on pushes or pull request to the repository.
 on:
+  workflow_dispatch:
   pull_request:
     # file paths to consider in the event. Optional; defaults to all.
     paths:

.github/workflows/main.yaml

@@ -3,6 +3,7 @@ name: Build and test
 
 # This workflow is triggered on pushes or pull request to the repository.
 on:
+  workflow_dispatch:
   push:
     # file paths to consider in the event. Optional; defaults to all.
     paths: