Add missing permissions definitions to workflows (#3507)

.github/workflows/lint.yml

@@ -7,6 +7,8 @@ on:
     branches:
       - master
 
+permissions: {}
+
 concurrency:
   group: lint-${{ github.ref }}
   cancel-in-progress: true

.github/workflows/upload-critical.yml

@@ -8,6 +8,8 @@ on:
     paths:
       - critical
 
+permissions: {}
+
 concurrency:
   cancel-in-progress: true
   group: upload-critical

.github/workflows/upload-removed.yml

@@ -8,6 +8,8 @@ on:
     paths:
       - removed
 
+permissions: {}
+
 concurrency:
   cancel-in-progress: true
   group: upload-removed