chore: set permissions (TheAlgorithms#893)

Author: vil02

.github/workflows/build.yml

@@ -6,6 +6,9 @@ name: build
   schedule:
     - cron: '51 2 * * 4'
 
+permissions:
+  contents: read
+
 jobs:
   fmt:
     name: cargo fmt
@@ -14,15 +17,15 @@ jobs:
     - uses: actions/checkout@v4
     - name: cargo fmt
       run: cargo fmt --all -- --check
-   
+
   clippy:
     name: cargo clippy
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
     - name: cargo clippy
       run: cargo clippy --all --all-targets -- -D warnings
-  
+
   test:
     name: cargo test
     runs-on: ubuntu-latest

.github/workflows/directory_workflow.yml

@@ -3,6 +3,9 @@ on:
   push:
     branches: [master]
 
+permissions:
+  contents: read
+
 jobs:
   MainSequence:
     name: DIRECTORY.md

.github/workflows/stale.yml

@@ -2,8 +2,14 @@ name: 'Close stale issues and PRs'
 on:
   schedule:
     - cron: '0 0 * * *'
+permissions:
+  contents: read
+
 jobs:
   stale:
+    permissions:
+      issues: write
+      pull-requests: write
     runs-on: ubuntu-latest
     steps:
       - uses: actions/stale@v9

.github/workflows/upload_coverage_report.yml

@@ -9,6 +9,9 @@ on:
       - master
   pull_request:
 
+permissions:
+  contents: read
+
 env:
   REPORT_NAME: "lcov.info"