Fix app.properties

src/main/resources/application.properties

@@ -84,7 +84,7 @@ spring.security.oauth2.resourceserver.jwt.issuer-uri= https://sts.windows.net/e0
 spring.ai.retry.max-attempts=3
 spring.ai.retry.backoff.delay=2000       # 2 seconds
 spring.ai.retry.backoff.max-delay=20000  # 20 seconds
-spring.ai.retry.backoff.multiplier=2.0   # default multiplier
+spring.ai.retry.backoff.multiplier=2   # default multiplier
 
 # Timeout for HTTP clients used by Spring AI / Chroma
 spring.ai.vectorstore.http.connect-timeout=10000   # 10 seconds