Update roll interval defaults

Author: jonesphillip

src/content/docs/pipelines/sinks/available-sinks/r2-data-catalog.mdx

@@ -58,7 +58,7 @@ Control when data is written to Iceberg tables. Configure based on your needs:
 
 ### Roll interval
 
-Set how often files are written (default: 30 seconds):
+Set how often files are written (default: 300 seconds):
 
 ```bash
 --roll-interval 60  # Write files every 60 seconds

src/content/docs/pipelines/sinks/available-sinks/r2.mdx

@@ -86,7 +86,7 @@ Control when files are written to R2. Configure based on your needs:
 
 ### Roll interval
 
-Set how often files are written (default: 30 seconds):
+Set how often files are written (default: 300 seconds):
 
 ```bash
 --roll-interval 60  # Write files every 60 seconds