clean: Use 'main' instead of 'master' as default branch

Author: vorburger

.github/workflows/maven.yml

@@ -10,14 +10,14 @@ name: Java CI with Maven
 
 on:
   push:
-    branches: ["master"]
+    branches: ["main"]
   pull_request:
-    branches: ["master"]
+    branches: ["main"]
 
 jobs:
   build:
     runs-on: ubuntu-latest
-    
+
     permissions:
       # https://github.com/advanced-security/maven-dependency-submission-action?tab=readme-ov-file#pre-requisites
       contents: write

README.md

@@ -4,7 +4,7 @@ Java lib for monitoring directories or individual files based on the `java.nio.f
 
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/ch.vorburger/fswatch/badge.svg)](https://maven-badges.herokuapp.com/maven-central/ch.vorburger/fswatch)
 [![Javadocs](http://www.javadoc.io/badge/ch.vorburger/fswatch.svg)](http://www.javadoc.io/doc/ch.vorburger/fswatch)
-[![Build Status](https://app.travis-ci.com/vorburger/ch.vorburger.fswatch.svg?branch=master)](https://app.travis-ci.com/vorburger/ch.vorburger.fswatch)
+[![Build Status](https://app.travis-ci.com/vorburger/ch.vorburger.fswatch.svg?branch=main)](https://app.travis-ci.com/vorburger/ch.vorburger.fswatch)
 
 ## Usage