chore: Add permissions to all workflows

.github/workflows/lint.yml

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

.github/workflows/pr_title.yml

@@ -7,6 +7,9 @@ on:
       - edited
       - synchronize
 
+permissions:
+  pull-requests: read
+
 jobs:
   main:
     name: Validate PR title
@@ -44,7 +47,7 @@ jobs:
           # special "[WIP]" prefix to indicate this state. This will avoid the
           # validation of the PR title and the pull request checks remain pending.
           # Note that a second check will be reported if this is enabled.
-          wip: true
+          wip: false
           # When using "Squash and merge" on a PR with only one commit, GitHub
           # will suggest using that commit message instead of the PR title for the
           # merge commit, and it's easy to commit this by mistake. Enable this option

.github/workflows/publish.yml

@@ -4,6 +4,9 @@ on:
     tags:
       - "v*.*.*"
 
+permissions:
+  contents: read
+
 jobs:
   pypi-publish:
     name: upload release to PyPI

.github/workflows/release_pr.yml

@@ -3,6 +3,8 @@ on:
   push:
     branches:
       - main
+permissions:
+  contents: read
 
 jobs:
   release-please:

.github/workflows/unittests.yml

@@ -5,6 +5,8 @@ on:
   push:
     branches:
       - main
+permissions:
+  contents: read
 
 jobs:
   test: