Update Java agent to v1.1.1 for space-in-path fix

This also changes the integration tests to start using a path with a
space in for the bundled server tests in all cases, which should help
spot more of these issues in future.

Author: pimterry

overrides/java-agent.jar

@@ -19,7 +19,7 @@ async function setupServerPath() {
     }
 
     // If TEST_BUILT_TARBALL is set, test the latest built ready-to-go tarball:
-    const tmpDir = tmp.dirSync({ unsafeCleanup: true }).name;
+    const tmpDir = tmp.dirSync({ prefix: 'name with spaces', unsafeCleanup: true }).name;
     const version: string = require(path.join('..', 'package.json')).version;
 
     const channel = (version.split('-')[1] || '').split('.')[0];