switch from master to main

.github/workflows/tic.yml

@@ -5,7 +5,7 @@ on:
   workflow_dispatch:
   push:
     branches:
-      - master
+      - main
   pull_request:
   # for now, CRON jobs only run on the default branch of the repo (i.e. usually on master)
   schedule:

.github/workflows/update-tic.yml

@@ -51,4 +51,3 @@ jobs:
           commit-message: "update tic templates"
           body: "{tic} templates can be updated :rocket: :robot:"
           branch: update-tic
-          base: master

README.md

@@ -3,7 +3,7 @@
 Cluster analysis for mlr3
 
 <!-- badges: start -->
-[![tic](https://github.com/mlr-org/mlr3cluster/workflows/tic/badge.svg?branch=master)](https://github.com/mlr-org/mlr3cluster/actions)
+[![tic](https://github.com/mlr-org/mlr3cluster/workflows/tic/badge.svg?branch=main)](https://github.com/mlr-org/mlr3cluster/actions)
 [![CRAN status](https://www.r-pkg.org/badges/version/mlr3cluster)](https://CRAN.R-project.org/package=mlr3cluster)
 [![StackOverflow](https://img.shields.io/badge/stackoverflow-mlr3-orange.svg)](https://stackoverflow.com/questions/tagged/mlr3)
 [![Mattermost](https://img.shields.io/badge/chat-mattermost-orange.svg)](https://lmmisld-lmu-stats-slds.srv.mwn.de/mlr_invite/)