add read permissions

Signed-off-by: Sally MacFarlane <macfarla.github@gmail.com>

Author: macfarla

.github/workflows/build.yml

@@ -23,6 +23,9 @@ on:
   pull_request:
     branches: [ main ]
 
+permissions:
+  contents: read
+
 jobs:
   assemble:
     timeout-minutes: 30

.github/workflows/checks.yml

@@ -23,6 +23,9 @@ on:
   pull_request:
     branches: [ main ]
 
+permissions:
+  contents: read
+
 jobs:
   checks:
     timeout-minutes: 30

.github/workflows/license-checks.yml

@@ -21,6 +21,9 @@ on:
     paths:
       - 'dependency-versions.gradle'
 
+permissions:
+  contents: read
+
 jobs:
   license-checks:
     timeout-minutes: 30

.github/workflows/mark-issues-as-stale.yml

@@ -21,6 +21,9 @@ on:
     - cron: "27 3 * * 1-5" # Run at an arbitrary time on weekdays.
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   mark-issues-as-stale:
     runs-on: ubuntu-latest
@@ -35,4 +38,4 @@ jobs:
           DAYS_BEFORE_STALE: 60
           DAYS_BEFORE_CLOSE: 60 # Only used for the stale message.
           STALE_LABEL: 'Stale'
-          EXEMPT_LABEL: 'never stale'
+          EXEMPT_LABEL: 'never stale'

.github/workflows/test-windows.yml

@@ -24,6 +24,9 @@ on:
     types: [opened, synchronize, reopened, labeled, unlabeled]
     branches: [ main ]
 
+permissions:
+  contents: read
+
 jobs:
   test-windows:
     timeout-minutes: 30