Add semgrepignore to include test files.

Author: armfazh

.github/workflows/semgrep.yml

@@ -1,8 +1,8 @@
-
+---
 on:
   pull_request: {}
   workflow_dispatch: {}
-  push: 
+  push:
     branches:
       - main
       - master
@@ -22,4 +22,4 @@ jobs:
       image: returntocorp/semgrep
     steps:
       - uses: actions/checkout@v4
-      - run: semgrep ci
+      - run: semgrep ci --verbose

.semgrepignore

@@ -0,0 +1 @@
+.github/