Merge pull request #600 from Azquelt/2.8-parent

Use the 2.8 microprofile-parent but target Java 11

pom.xml

@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.eclipse.microprofile</groupId>
         <artifactId>microprofile-parent</artifactId>
-        <version>3.2</version>
+        <version>2.8</version>
     </parent>
 
     <groupId>org.eclipse.microprofile.openapi</groupId>
@@ -31,6 +31,7 @@
 
     <properties>
         <inceptionYear>2017</inceptionYear>
+        <maven.compiler.release>11</maven.compiler.release>
         <osgi-annotation.version>8.1.0</osgi-annotation.version>
         <!-- Versions of TCK dependencies -->
         <rest-assured.version>4.3.0</rest-assured.version>
@@ -40,6 +41,7 @@
         <mp.rest-client-api.version>3.0.1</mp.rest-client-api.version>
         <jakarta.xml.bind-api.version>3.0.1</jakarta.xml.bind-api.version>
         <jakarta.validation-api.version>3.0.2</jakarta.validation-api.version>
+        <!-- We can use the 3.x TCK BOM even though we use the 2.x parent because we're targetting Java 11 -->
         <version.microprofile.tck.bom>3.2</version.microprofile.tck.bom>
     </properties>