Limit permissions in workflows

Author: Electronic-Mango

.github/workflows/code-coverage.yml

@@ -2,6 +2,9 @@
 
 name: Coveralls.io code coverage report
 
+permissions:
+  contents: read
+
 on:
   push:
     branches: [ "main" ]

.github/workflows/max-complexity.yml

@@ -9,6 +9,9 @@
 
 name: Query complexity
 
+permissions:
+  contents: read
+
 on:
   push:
     branches: [ "main" ]

.github/workflows/pytest.yml

@@ -2,6 +2,9 @@
 
 name: Pytest
 
+permissions:
+  contents: read
+
 on:
   push:
     branches: [ "main" ]

.github/workflows/ruff.yml

@@ -2,6 +2,9 @@
 
 name: Ruff
 
+permissions:
+  contents: read
+
 on:
   push:
     branches: [ "main" ]