Fix LogAccessor formatting

Author: ilayaperumalg

vector-stores/spring-ai-mariadb-store/src/main/java/org/springframework/ai/vectorstore/mariadb/MariaDBVectorStore.java

@@ -336,12 +336,12 @@ protected void doDelete(Filter.Expression filterExpression) {
 
 			String sql = String.format("DELETE FROM %s WHERE %s", getFullyQualifiedTableName(), nativeFilterExpression);
 
-			logger.debug("Executing delete with filter: {}", sql);
+			logger.debug("Executing delete with filter: " + sql);
 
 			this.jdbcTemplate.update(sql);
 		}
 		catch (Exception e) {
-			logger.error("Failed to delete documents by filter: {}", e.getMessage(), e);
+			logger.error(e, "Failed to delete documents by filter: " + e.getMessage());
 			throw new IllegalStateException("Failed to delete documents by filter", e);
 		}
 	}

vector-stores/spring-ai-milvus-store/src/main/java/org/springframework/ai/vectorstore/milvus/MilvusVectorStore.java

@@ -310,10 +310,10 @@ protected void doDelete(Filter.Expression filterExpression) {
 			}
 
 			long deleteCount = status.getData().getDeleteCnt();
-			logger.debug("Deleted {} documents matching filter expression", deleteCount);
+			logger.debug("Deleted " + deleteCount + " documents matching filter expression");
 		}
 		catch (Exception e) {
-			logger.error("Failed to delete documents by filter: {}", e.getMessage(), e);
+			logger.error(e, "Failed to delete documents by filter: " + e.getMessage());
 			throw new IllegalStateException("Failed to delete documents by filter", e);
 		}
 	}