Merge branch 'replace-master-with-main' into 'main'

Change master references to main

See merge request nvidia/container-toolkit/container-toolkit!135

.common-ci.yml

@@ -190,7 +190,7 @@ test-packaging:
     OUT_IMAGE_NAME: "${CI_REGISTRY_IMAGE}/staging/container-toolkit"
 
 # Define an external release step that pushes an image to an external repository.
-# This includes a devlopment image off master.
+# This includes a devlopment image off main.
 .release:external:
   extends:
     - .release

.nvidia-ci.yml

@@ -27,8 +27,8 @@ default:
 variables:
   DOCKER_DRIVER: overlay2
   DOCKER_TLS_CERTDIR: "/certs"
-  # Release "devel"-tagged images off the master branch
-  RELEASE_DEVEL_BRANCH: "master"
+  # Release "devel"-tagged images off the main branch
+  RELEASE_DEVEL_BRANCH: "main"
   DEVEL_RELEASE_IMAGE_VERSION: "devel"
   # On the multi-arch builder we don't need the qemu setup.
   SKIP_QEMU_SETUP: "1"

README.md

@@ -1,6 +1,6 @@
 # NVIDIA Container Toolkit
 
-[![GitHub license](https://img.shields.io/github/license/NVIDIA/nvidia-container-toolkit?style=flat-square)](https://raw.githubusercontent.com/NVIDIA/nvidia-container-toolkit/master/LICENSE)
+[![GitHub license](https://img.shields.io/github/license/NVIDIA/nvidia-container-toolkit?style=flat-square)](https://raw.githubusercontent.com/NVIDIA/nvidia-container-toolkit/main/LICENSE)
 [![Documentation](https://img.shields.io/badge/documentation-wiki-blue.svg?style=flat-square)](https://docs.nvidia.com/datacenter/cloud-native/container-toolkit/overview.html)
 [![Package repository](https://img.shields.io/badge/packages-repository-b956e8.svg?style=flat-square)](https://nvidia.github.io/libnvidia-container)