Add names for travis build jobs (to be shown under 'Jobs and Stages on GitHub)'

Author: easbar

.travis.yml

@@ -11,10 +11,14 @@ env:
 
 matrix:
   include:
-    - env: JDK='8/ga' # for backward compatibility and release
-    - env: JDK='17/ga'# latest LTS
-    - env: JDK='18/ga'# latest
-    - env: JDK='19/ea'# latest early access
+    - name: JDK8
+      env: JDK='8/ga' # for backward compatibility and release
+    - name: JDK17
+      env: JDK='17/ga'# latest LTS
+    - name: JDK18
+      env: JDK='18/ga'# latest
+    - name: JDK19-ea
+      env: JDK='19/ea'# latest early access
 
 # avoid default dependency command for maven, 'true' means 'return true' and continue
 install: true