chore: remove reundant permissions in GitHub Actions (#373)

Author: huxuan

.github/workflows/devcontainer.yml

@@ -5,7 +5,6 @@ concurrency:
 jobs:
   dev-container-publish:
     permissions:
-      contents: read
       packages: write
     runs-on: ubuntu-22.04
     steps:

.github/workflows/release.yml

@@ -53,7 +53,6 @@ jobs:
   container-publish:
     needs: release-publish
     permissions:
-      contents: read
       packages: write
     runs-on: ubuntu-22.04
     steps:

template/[% if repo_host_type == 'github.com' %].github[% endif %]/workflows/devcontainer.yml.jinja

@@ -6,7 +6,6 @@ concurrency:
 jobs:
   dev-container-publish:
     permissions:
-      contents: read
       packages: write
     runs-on: ubuntu-22.04
     steps:

template/[% if repo_host_type == 'github.com' %].github[% endif %]/workflows/release.yml.jinja

@@ -54,7 +54,6 @@ jobs:
   container-publish:
     needs: release-publish
     permissions:
-      contents: read
       packages: write
     runs-on: ubuntu-22.04
     steps: