add explicit permissions (microsoft#1031)

* add explicit permissions

* revert change

* Adds permissions for MegaLinter workflow

* add permissions

---------

Co-authored-by: Tess Ferrandez <tferrand@microsoft.com>
Co-authored-by: Tomi Paananen <tomi.paananen@microsoft.com>

Author: 3 people

.github/workflows/mega-linter.yml

@@ -24,6 +24,9 @@ jobs:
   build:
     name: MegaLinter
     runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
     steps:
       # Git Checkout
       - name: Checkout Code

.github/workflows/mkdocs.yml

@@ -7,6 +7,10 @@ on:
 jobs:
   deploy:
     runs-on: ubuntu-latest
+    permissions:
+      actions: write
+      contents: read
+      deployments: write
     steps:
       - uses: actions/checkout@v3
         with: