Tweaked I2C interfaces so that variants are in the interfaces as default

methods. Always refer to I2CDeviceInterface and SpiDeviceInterface in
device classes, rather than implementation class.

README.md

@@ -1,3 +1,6 @@
+---
+author: "Matthew Lewis"
+---
 # diozero - a Java Device I/O wrapper for GPIO / I<sup>2</sup>C / SPI control
 
 [![Maven CI Build](https://github.com/mattjlewis/diozero/actions/workflows/build.yml/badge.svg)](https://github.com/mattjlewis/diozero/actions/workflows/build.yml)

diozero-bom/pom.xml

@@ -62,15 +62,15 @@
 		<maven.compiler.release>11</maven.compiler.release>
 
 		<!-- Maven plugins -->
-		<maven-compiler-plugin.version>3.12.1</maven-compiler-plugin.version>
-		<maven-assembly-plugin.version>3.7.0</maven-assembly-plugin.version>
+		<maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
+		<maven-assembly-plugin.version>3.7.1</maven-assembly-plugin.version>
 		<maven-javadoc-plugin.version>3.6.3</maven-javadoc-plugin.version>
 		<maven-jar-plugin.version>3.3.0</maven-jar-plugin.version>
 		<maven-shade-plugin.version>3.5.2</maven-shade-plugin.version>
 		<maven-source-plugin.version>3.3.0</maven-source-plugin.version>
 		<maven-install-plugin.version>3.1.1</maven-install-plugin.version>
 		<maven-deploy-plugin.version>3.1.1</maven-deploy-plugin.version>
-		<maven-gpg-plugin.version>3.2.0</maven-gpg-plugin.version>
+		<maven-gpg-plugin.version>3.2.2</maven-gpg-plugin.version>
 		<maven-release-plugin.version>3.0.1</maven-release-plugin.version>
 		<maven-surefire-plugin.version>3.2.5</maven-surefire-plugin.version>
 
@@ -87,7 +87,7 @@
 		<eclipse-paho-client-mqttv3.version>1.2.5</eclipse-paho-client-mqttv3.version>
 		<google-gson.version>2.10.1</google-gson.version>
 		<google-protobuf-java.version>3.25.2</google-protobuf-java.version>
-		<netty.version>4.1.107.Final</netty.version>
+		<netty.version>4.1.108.Final</netty.version>
 		<grpc.version>1.62.2</grpc.version>
 		<junit.version>5.10.2</junit.version>
 		<mockito.version>5.11.0</mockito.version>