chore: GH workflow permissions (#655)

Author: jkowalleck

.github/workflows/build_docs.yml

@@ -9,6 +9,9 @@ on:
 env:
   PYTHON_VERSION_DEFAULT: "3.10"
 
+# https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/controlling-permissions-for-github_token
+permissions: {}
+
 jobs:
   docs_xml:
     runs-on: ubuntu-latest

.github/workflows/test_java.yml

@@ -14,6 +14,9 @@ defaults:
   run:
     working-directory: tools
 
+# https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/controlling-permissions-for-github_token
+permissions: {}
+
 jobs:
   test:
     runs-on: ubuntu-latest

.github/workflows/test_js.yml

@@ -16,6 +16,9 @@ defaults:
   run:
     working-directory: tools/src/test/js
 
+# https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/controlling-permissions-for-github_token
+permissions: {}
+
 jobs:
   test:
     timeout-minutes: 30

.github/workflows/test_php.yml

@@ -16,6 +16,9 @@ defaults:
   run:
     working-directory: tools/src/test/php
 
+# https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/controlling-permissions-for-github_token
+permissions: {}
+
 jobs:
   test:
     timeout-minutes: 30

.github/workflows/test_proto.yml

@@ -16,6 +16,9 @@ defaults:
   run:
     working-directory: tools/src/test/proto
 
+# https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/controlling-permissions-for-github_token
+permissions: {}
+
 jobs:
   test:
     timeout-minutes: 30