Add minimum token permissions for all github workflow files (#3604)

Author: opentelemetrybot

.github/workflows/backport.yml

@@ -6,8 +6,14 @@ on:
         description: "The pull request # to backport"
         required: true
 
+permissions:
+  contents: read
+
 jobs:
   backport:
+    permissions:
+      contents: write # required for pushing branches
+      pull-requests: write # required for creating pull requests
     runs-on: ubuntu-latest
     steps:
       - run: |

.github/workflows/changelog.yml

@@ -10,6 +10,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 jobs:
   changelog:
     runs-on: ubuntu-latest

.github/workflows/codeql-analysis.yml

@@ -14,8 +14,13 @@ on:
     #        *  * * * *
     - cron: '30 1 * * *'
 
+permissions:
+  contents: read
+
 jobs:
   CodeQL-Build:
+    permissions:
+      security-events: write # for github/codeql-action/analyze to upload SARIF results
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/component-owners.yml

@@ -6,6 +6,9 @@ name: 'Component Owners'
 on:
   pull_request_target:
 
+permissions:
+  contents: read
+
 jobs:
   run_self:
     runs-on: ubuntu-latest

.github/workflows/core_contrib_test_0.yml

@@ -13,6 +13,9 @@ on:
         required: true
         type: string
 
+permissions:
+  contents: read
+
 env:
   CORE_REPO_SHA: ${{ inputs.CORE_REPO_SHA }}
   CONTRIB_REPO_SHA: ${{ inputs.CONTRIB_REPO_SHA }}

.github/workflows/generate_workflows_lib/src/generate_workflows_lib/core_contrib_test.yml.j2

@@ -13,6 +13,9 @@ on:
         required: true
         type: string
 
+permissions:
+  contents: read
+
 env:
   CORE_REPO_SHA: ${% raw %}{{ inputs.CORE_REPO_SHA }}{% endraw %}
   CONTRIB_REPO_SHA: ${% raw %}{{ inputs.CONTRIB_REPO_SHA }}{% endraw %}

.github/workflows/generate_workflows_lib/src/generate_workflows_lib/lint.yml.j2

@@ -9,6 +9,9 @@ on:
     - 'release/*'
   pull_request:
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${% raw %}{{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
   cancel-in-progress: true

.github/workflows/generate_workflows_lib/src/generate_workflows_lib/misc.yml.j2

@@ -9,6 +9,9 @@ on:
     - 'release/*'
   pull_request:
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${% raw %}{{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
   cancel-in-progress: true

.github/workflows/generate_workflows_lib/src/generate_workflows_lib/test.yml.j2

@@ -9,6 +9,9 @@ on:
     - 'release/*'
   pull_request:
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${% raw %}{{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
   cancel-in-progress: true

.github/workflows/lint_0.yml

@@ -9,6 +9,9 @@ on:
     - 'release/*'
   pull_request:
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true