:octocat: rename default branch to "main"

.github/workflows/docs.yml

@@ -3,7 +3,7 @@
 on:
   push:
     branches:
-      - master
+      - main
 
 name: "Docs"
 
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: "Checkout sources"
-        uses: actions/checkout@master
+        uses: actions/checkout@v2
         with:
           fetch-depth: 1
 
@@ -22,7 +22,7 @@ jobs:
         uses: ./.github/actions/build-docs
 
       - name: "Publish Docs to gh-pages"
-        uses: maxheld83/ghpages@master
+        uses: maxheld83/ghpages@v0.3.0
         env:
           BUILD_DIR: docs/
           GH_PAT: ${{ secrets.GH_PAT }}

.github/workflows/tests.yml

@@ -1,12 +1,12 @@
 # https://help.github.com/en/categories/automating-your-workflow-with-github-actions
-# https://github.com/localheinz/php-library-template/blob/master/.github/workflows/continuous-integration.yml
+# https://github.com/ergebnis/php-library-template
 # https://github.com/sebastianbergmann/phpunit/blob/master/.github/workflows/ci.yml
 
 on:
   pull_request:
   push:
     branches:
-      - master
+      - main
     tags:
       - "**"