Do not claim to fetch Java before knowing it will

resolve_java logged "Fetching zulu-jre:11..." at info level, even when
jgo's JavaLocator then went on to use a suitable system Java. Log the
request at debug level instead; jgo reports what is actually used.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: ctrueden

src/scyjava/_jdk_fetch.py

@@ -32,10 +32,12 @@ def resolve_java(vendor: str | None = None, version: str | None = None) -> None:
     if version is None:
         version = scyjava.config.get_java_version()
 
-    _logger.info(f"Fetching {vendor}:{version}...")
-
     fetch = scyjava.config.get_fetch_java()
 
+    # Note: Whether Java gets downloaded is up to jgo's JavaLocator, which
+    # logs what it actually ends up using.
+    _logger.debug(f"Resolving Java {vendor}:{version} (fetch mode: {fetch})")
+
     # Map scyjava fetch mode to jgo JavaSource strategy.
     # "always" -> DOWNLOAD: always use cjdk-managed Java, ignoring system Java.
     # "never"  -> SYSTEM:   always use system Java, never downloading via cjdk.