chore: Set permissions for GitHub actions (#3145)

Restrict the GitHub token permissions only to the required ones; this way, even if the attackers will succeed in compromising your workflow, they won’t be able to do much.

- Included permissions for the action. https://github.com/ossf/scorecard/blob/main/docs/checks.md#token-permissions

https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions

https://docs.github.com/en/actions/using-jobs/assigning-permissions-to-jobs

[Keeping your GitHub Actions and workflows secure Part 1: Preventing pwn requests](https://securitylab.github.com/research/github-actions-preventing-pwn-requests/)

Signed-off-by: naveen <172697+naveensrinivasan@users.noreply.github.com>

.github/workflows/benchmark.yml

@@ -10,6 +10,9 @@ on:
   # push:
   #   branches:
   #     - master
+permissions:
+  contents: read
+
 jobs:
   prepare: 
     name: Prepare build

.github/workflows/ci.yml

@@ -14,6 +14,9 @@ on:
       - 'jest/**'
       - 'package.json'
       - 'pnpm-workspace.yaml'
+permissions:
+  contents: read
+
 jobs:
   prepare:
     runs-on: ubuntu-latest

.github/workflows/codeql-analysis.yml

@@ -8,8 +8,15 @@ on:
   schedule:
     - cron: '0 2 * * 4'
 
+permissions:
+  contents: read
+
 jobs:
   CodeQL-Build:
+    permissions:
+      actions: read  # for github/codeql-action/init to get workflow details
+      contents: read  # for actions/checkout to fetch code
+      security-events: write  # for github/codeql-action/autobuild to send a status report
     runs-on: ubuntu-latest
 
     steps: