Secure workflows (#1) (#1072)

* Restrict permissions for the GITHUB_TOKEN in .github/workflows/label-feature.yml

* Restrict permissions for the GITHUB_TOKEN in .github/workflows/label-support.yml

* Restrict permissions for the GITHUB_TOKEN in .github/workflows/stale.yml

* Restrict permissions for the GITHUB_TOKEN in .github/workflows/sync_ghes.yaml

* Restrict permissions for the GITHUB_TOKEN in .github/workflows/validate-data.yaml

Co-authored-by: Step Security <bot@stepsecurity.io>

Co-authored-by: step-security[bot] <89328102+step-security[bot]@users.noreply.github.com>
Co-authored-by: Step Security <bot@stepsecurity.io>

.github/workflows/label-feature.yml

@@ -5,6 +5,8 @@ on:
 
 jobs:
   build:
+    permissions:
+      issues: write
     runs-on: ubuntu-latest
     steps:
     - name: Close Issue

.github/workflows/label-support.yml

@@ -5,6 +5,8 @@ on:
 
 jobs:
   build:
+    permissions:
+      issues: write
     runs-on: ubuntu-latest
     steps:
     - name: Close Issue

.github/workflows/stale.yml

@@ -7,6 +7,9 @@ on:
 jobs:
   stale:
 
+    permissions:
+      issues: write
+      pull-requests: write
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/sync_ghes.yaml

@@ -7,6 +7,8 @@ on:
 
 jobs:
   sync:
+    permissions:
+      contents: write
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2

.github/workflows/validate-data.yaml

@@ -6,6 +6,8 @@ on:
 
 jobs:
   validate-data:
+    permissions:
+      contents: read
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2