Switch the default version to 1.3.0

1.3.0 is the most up-to-date version using Devfile 2.1.0 schema,
for backward compatibility with current samples.
We are purposely not using the most up-date version on 2.2.0 schema,
as this would reportedly break current samples.

See [1] for more context.

[1] #169 (comment)

Signed-off-by: Armel Soro <[email protected]>

Author: rm3l

stacks/java-springboot/stack.yaml

@@ -4,9 +4,9 @@ displayName: Spring Boot
 icon: https://raw.githubusercontent.com/devfile-samples/devfile-stack-icons/main/spring.svg
 versions:
   - version: 1.2.0
-    default: true # should have one and only one default version
   # 1.3.0: with JDK 17
   - version: 1.3.0
+    default: true # should have one and only one default version
   - version: 2.0.0
   # 2.1.0: with JDK 17
   - version: 2.1.0