docs(homepage): update default value for POWERTOOLS_DEV (aws-powertools#1695)

Author: dreamorosi

docs/index.md

@@ -708,7 +708,7 @@ Core utilities such as Tracing, Logging, Metrics, and Event Handler will be avai
 | **POWERTOOLS_LOGGER_LOG_EVENT** | Logs incoming event | [Logging](./core/logger) | `false` |
 | **POWERTOOLS_LOGGER_SAMPLE_RATE** | Debug log sampling | [Logging](./core/logger) | `0` |
 | **POWERTOOLS_LOG_DEDUPLICATION_DISABLED** | Disables log deduplication filter protection to use Pytest Live Log feature | [Logging](./core/logger) | `false` |
-| **POWERTOOLS_DEV** | Increases verbosity across utilities | Multiple; see [POWERTOOLS_DEV effect below](#increasing-verbosity-across-utilities) | `0`  |
+| **POWERTOOLS_DEV** | Increases verbosity across utilities | Multiple; see [POWERTOOLS_DEV effect below](#increasing-verbosity-across-utilities) | `false` |
 | **LOG_LEVEL** | Sets logging level | [Logging](./core/logger) | `INFO` |
 
 ### Optimizing for non-production environments