Merge pull request #51 from Mastercard/Build-for-Java17

Updating to Spring 6 to enable spring-webflux
Upgrading Java version to 17 from Java 11

Author: karen-avetisyan-mc

.github/workflows/maven-test.yml

@@ -15,7 +15,6 @@ jobs:
     strategy:
       matrix:
         java:
-          - 11
           - 17
     steps:
       - uses: actions/checkout@v1

README.md

@@ -25,7 +25,8 @@
 Zero dependency library for generating a Mastercard API compliant OAuth signature.
 
 ### Compatibility <a name="compatibility"></a>
-Java 11+
+Java 11+ till version 1.5.3 included.
+Java 17+ from 1.5.4
 
 ### References <a name="references"></a>
 * [OAuth 1.0a specification](https://tools.ietf.org/html/rfc5849)

pom.xml

@@ -116,20 +116,6 @@
     </dependencies>
 
     <profiles>
-        <profile>
-            <id>java11</id>
-            <activation>
-                <jdk>11</jdk>
-            </activation>
-            <properties>
-                <!-- The Javadoc generation started to fail with OpenJDK 11.0.2 (11.0.1 was OK) and OpenJDK 12-ea:
-                     "The code being documented uses modules but the packages defined in
-                     https://docs.oracle.com/javase/7/docs/api/ are in the unnamed module."
-                     See: https://bugs.openjdk.java.net/browse/JDK-8212233
-                -->
-                <maven.javadoc.skip>true</maven.javadoc.skip>
-            </properties>
-        </profile>
         <profile>
             <id>java17</id>
             <activation>