Updated JDK from 15 --> 8

Author: SimonTaylor

.travis.yml

@@ -1,7 +1,7 @@
 language: java
 
 jdk:
-  - openjdk15
+  - openjdk8
 
 script:
   - mvn test -B

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>com.spt-development</groupId>
     <artifactId>spt-development-logging-spring</artifactId>
-    <version>1.0.0</version>
+    <version>2.0.0</version>
 
     <name>logging-spring</name>
     <description>A very simple library for getting/setting the current correlation ID, utilising ThreadLocal.</description>
@@ -29,14 +29,14 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-        <maven.compiler.source>15</maven.compiler.source>
-        <maven.compiler.target>15</maven.compiler.target>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
 
         <!-- Dependency versions -->
         <aspectj.version>1.9.6</aspectj.version>
         <slf4j.version>1.7.30</slf4j.version>
         <spring.version>5.3.2</spring.version>
-        <spt-cid.version>1.1.0</spt-cid.version>
+        <spt-cid.version>2.0.0</spt-cid.version>
 
         <!-- Test dependency versions -->
         <hamcrest.version>2.2</hamcrest.version>