ci(actions): add permissions section to workflows

.github/workflows/cicd.yml

@@ -1,5 +1,8 @@
 name: CI/CD Pipeline
 
+permissions:
+  contents: read
+
 on:
     push:
         tags:

.github/workflows/linting.yml

@@ -1,5 +1,8 @@
 name: ESLint
 
+permissions:
+  contents: read
+
 on:
     pull_request:
         paths:

.github/workflows/test.yml

@@ -1,5 +1,8 @@
 name: Run Tests
 
+permissions:
+  contents: read
+
 on:
   pull_request:
     branches: