chore(config): setup gitpod with java 17.0.2-tem

.gitpod.Dockerfile

@@ -10,4 +10,5 @@ USER gitpod
 
 RUN bash -c ". /home/gitpod/.sdkman/bin/sdkman-init.sh \
              && sdk install java 16.0.1.hs-adpt \
-             && sdk default java 16.0.1.hs-adpt"
+             && sdk install java 17.0.2-tem \
+             && sdk default java 17.0.2-tem"

.gitpod.yml

@@ -2,7 +2,7 @@ image:
   file: .gitpod.Dockerfile
 
 tasks:
-  - init: sdk use java 16.0.1.hs-adpt
+  - init: sdk use java 17.0.2-tem
     command: cd todolist
 
 ports: