Specify permissions in GH Action workflows

Author: antonwolfy

.github/workflows/build-sphinx.yml

@@ -6,6 +6,8 @@ on:
   pull_request:
     types: [opened, synchronize, reopened, closed]
 
+permissions: read-all
+
 env:
   GH_BOT_NAME: 'github-actions[bot]'
   GH_BOT_EMAIL: 'github-actions[bot]@users.noreply.github.com'

.github/workflows/conda-package.yml

@@ -6,6 +6,8 @@ on:
       - master
   pull_request:
 
+permissions: read-all
+
 env:
   PACKAGE_NAME: dpnp
   MODULE_NAME: dpnp

.github/workflows/generate_coverage.yaml

@@ -4,6 +4,8 @@ on:
   push:
     branches: [master]
 
+permissions: read-all
+
 jobs:
   generate-coverage:
     name: Generate coverage and push to Coveralls.io

.github/workflows/pre-commit.yml

@@ -5,6 +5,8 @@ on:
   push:
     branches: [master]
 
+permissions: read-all
+
 jobs:
   pre-commit:
     runs-on: ubuntu-latest