change blossom-ci to ACL security format (Project-MONAI#7843)

Fixes # .

### Description

Requested by security to prevent DDOS. The new format is provided by
blossom team.
### Types of changes
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [x] Non-breaking change (fix or new feature that would not break
existing functionality).
- [ ] Breaking change (fix or new feature that would cause existing
functionality to change).
- [ ] New tests added to cover the changes.
- [ ] Integration tests passed locally by running `./runtests.sh -f -u
--net --coverage`.
- [ ] Quick tests passed locally by running `./runtests.sh --quick
--unittests --disttests`.
- [ ] In-line docstrings updated.
- [ ] Documentation updated, tested `make html` command in the `docs/`
folder.

Signed-off-by: YanxuanLiu <yanxuanl@nvidia.com>

Author: YanxuanLiu

.github/workflows/blossom-ci.yml

@@ -29,13 +29,15 @@ jobs:
       args: ${{ env.args }}
 
     # This job only runs for pull request comments
-    if: contains('\
-      Nic-Ma,\
-      wyli,\
-      pxLi,\
-      YanxuanLiu,\
-      KumoLiu,\
-      ', format('{0},', github.actor)) && github.event.comment.body == '/build'
+    if: |
+      github.event.comment.body == '/build' &&
+      (
+        github.actor == 'Nic-Ma' ||
+        github.actor == 'wyli' ||
+        github.actor == 'pxLi' ||
+        github.actor == 'YanxuanLiu' ||
+        github.actor == 'KumoLiu'
+      )
     steps:
       - name: Check if comment is issued by authorized person
         run: blossom-ci