Adds explicit permissions to workflows

Specifies explicit permissions for GitHub Actions workflows to enhance security and control access to resources.

This ensures that each workflow only has the necessary permissions, following the principle of least privilege.

.github/workflows/add-to-project.yml

@@ -5,6 +5,8 @@ on:
       - opened
       - labeled
 
+permissions: {}
+
 jobs:
   add-to-project:
     if: github.repository_owner == 'GameServerManagers'

.github/workflows/details-check.yml

@@ -6,6 +6,9 @@ on:
     branches:
       - develop
 
+permissions:
+  contents: read
+
 concurrency:
   group: details-check-${{ github.ref_name }}
   cancel-in-progress: true

.github/workflows/git-sync.yml

@@ -7,6 +7,8 @@ on:
       - master
       - develop
 
+permissions: {}
+
 jobs:
   gitHub-to-bitbucket:
     if: github.repository_owner == 'GameServerManagers'

.github/workflows/potential-duplicates.yml

@@ -3,6 +3,10 @@ on:
   issues:
     types:
       - opened
+
+permissions:
+  issues: write
+
 jobs:
   potential-duplicates:
     if: github.repository_owner == 'GameServerManagers'

.github/workflows/serverlist-validate.yml

@@ -3,6 +3,9 @@ on:
   workflow_dispatch:
   push:
 
+permissions:
+  contents: read
+
 jobs:
   serverlist-validate:
     if: github.repository_owner == 'GameServerManagers'

.github/workflows/trigger-docker-build.yml

@@ -6,6 +6,8 @@ on:
     types:
       - published
 
+permissions: {}
+
 jobs:
   trigger_build_docker-linuxgsm:
     if: github.repository_owner == 'GameServerManagers'

.github/workflows/update-check.yml

@@ -6,6 +6,8 @@ on:
     branches:
       - develop
 
+permissions: {}
+
 concurrency:
   group: update-check-${{ github.ref_name }}
   cancel-in-progress: true

.github/workflows/update-copyright-years-in-license-file.yml

@@ -4,6 +4,10 @@ on:
   schedule:
     - cron: "0 3 1 1 *" # 03:00 AM on January 1
 
+permissions:
+  contents: write
+  pull-requests: write
+
 jobs:
   update-license-year:
     if: github.repository_owner == 'GameServerManagers'