Fix presubmit.yml (#6)

.bcr/presubmit.yml

diff --git a/.bcr/presubmit.yml b/.bcr/presubmit.yml
index 3f44430..ebcd9f9 100644
--- a/.bcr/presubmit.yml
+++ b/.bcr/presubmit.yml
@@ -1,13 +1,12 @@
-bcr_test_module:
-  matrix:
-    platform:
-      - debian10
-      - ubuntu2004
-      - macos
-      - macos_arm64
-  tasks:
-    verify_targets:
-      name: Verify build targets
-      platform: ${{ platform }}
-      build_targets:
-        - "@rules_multitool//..."
+matrix:
+  platform:
+  - debian10
+  - ubuntu2004
+  - macos
+  - macos_arm64
+tasks:
+  verify_targets:
+    name: Verify build targets
+    platform: ${{ platform }}
+    build_targets:
+    - '@rules_multitool//...'