Fixed action permissions to address security scan

Author: VisLab

.github/workflows/ci_windows.yaml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: ["main"]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     strategy:

.github/workflows/spec_tests.yaml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: ["*"]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     strategy:

.github/workflows/test_installer.yaml

@@ -4,6 +4,9 @@ on:
   pull_request:
     branches: ["main"]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest