docs: update CHANGELOG for Prometheus exporter README link fix

Signed-off-by: Yogi Suthari <[email protected]>

Author: yrsuthari

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Fix user agent in OTLP HTTP metrics exporter
   ([#4475](https://github.com/open-telemetry/opentelemetry-python/pull/4475))
+- Fix broken documentation link in Prometheus exporter README (#4399)
 
 ## Version 1.31.0/0.52b0 (2025-03-12)
 
@@ -624,8 +625,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#2577](https://github.com/open-telemetry/opentelemetry-python/pull/2577))
 - Add default aggregation
   ([#2543](https://github.com/open-telemetry/opentelemetry-python/pull/2543))
-- Fix incorrect installation of some exporter “convenience” packages into
-  “site-packages/src”
+- Fix incorrect installation of some exporter "convenience" packages into
+  "site-packages/src"
   ([#2525](https://github.com/open-telemetry/opentelemetry-python/pull/2525))
 - Capture exception information as part of log attributes
   ([#2531](https://github.com/open-telemetry/opentelemetry-python/pull/2531))
@@ -1710,60 +1711,3 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Initial release api/sdk
-
-- Use Attribute rather than boundattribute in logrecord
-  ([#3567](https://github.com/open-telemetry/opentelemetry-python/pull/3567))
-- Fix flush error when no LoggerProvider configured for LoggingHandler
-  ([#3608](https://github.com/open-telemetry/opentelemetry-python/pull/3608))
-- Fix `OTLPMetricExporter` ignores `preferred_aggregation` property
-  ([#3603](https://github.com/open-telemetry/opentelemetry-python/pull/3603))
-- Logs: set `observed_timestamp` field
-  ([#3565](https://github.com/open-telemetry/opentelemetry-python/pull/3565))
-- Add missing Resource SchemaURL in OTLP exporters
-  ([#3652](https://github.com/open-telemetry/opentelemetry-python/pull/3652))
-- Fix loglevel warning text
-  ([#3566](https://github.com/open-telemetry/opentelemetry-python/pull/3566))
-- Prometheus Exporter string representation for target_info labels
-  ([#3659](https://github.com/open-telemetry/opentelemetry-python/pull/3659))
-- Logs: ObservedTimestamp field is missing in console exporter output
-  ([#3564](https://github.com/open-telemetry/opentelemetry-python/pull/3564))
-- Fix explicit bucket histogram aggregation
-  ([#3429](https://github.com/open-telemetry/opentelemetry-python/pull/3429))
-- Add `code.lineno`, `code.function` and `code.filepath` to all logs
-  ([#3645](https://github.com/open-telemetry/opentelemetry-python/pull/3645))
-- Add Synchronous Gauge instrument
-  ([#3462](https://github.com/open-telemetry/opentelemetry-python/pull/3462))
-- Drop support for 3.7
-  ([#3668](https://github.com/open-telemetry/opentelemetry-python/pull/3668))
-- Include key in attribute sequence warning
-  ([#3639](https://github.com/open-telemetry/opentelemetry-python/pull/3639))
-- Upgrade markupsafe, Flask and related dependencies to dev and test
-  environments ([#3609](https://github.com/open-telemetry/opentelemetry-python/pull/3609))
-- Handle HTTP 2XX responses as successful in OTLP exporters
-  ([#3623](https://github.com/open-telemetry/opentelemetry-python/pull/3623))
-- Improve Resource Detector timeout messaging
-  ([#3645](https://github.com/open-telemetry/opentelemetry-python/pull/3645))
-- Add Proxy classes for logging
-  ([#3575](https://github.com/open-telemetry/opentelemetry-python/pull/3575))
-- Remove dependency on 'backoff' library
-  ([#3679](https://github.com/open-telemetry/opentelemetry-python/pull/3679))
-
-
-- Make create_gauge non-abstract method
-  ([#3817](https://github.com/open-telemetry/opentelemetry-python/pull/3817))
-- Make `tracer.start_as_current_span()` decorator work with async functions
-  ([#3633](https://github.com/open-telemetry/opentelemetry-python/pull/3633))
-- Fix python 3.12 deprecation warning
-  ([#3751](https://github.com/open-telemetry/opentelemetry-python/pull/3751))
-- bump mypy to 0.982
-  ([#3776](https://github.com/open-telemetry/opentelemetry-python/pull/3776))
-- Add support for OTEL_SDK_DISABLED environment variable
-  ([#3648](https://github.com/open-telemetry/opentelemetry-python/pull/3648))
-- Fix ValueError message for PeriodicExportingMetricsReader
-  ([#3769](https://github.com/open-telemetry/opentelemetry-python/pull/3769))
-- Use `BaseException` instead of `Exception` in `record_exception`
-  ([#3354](https://github.com/open-telemetry/opentelemetry-python/pull/3354))
-- Make span.record_exception more robust
-  ([#3778](https://github.com/open-telemetry/opentelemetry-python/pull/3778))
-- Fix license field in pyproject.toml files
-  ([#3803](https://github.com/open-telemetry/opentelemetry-python/pull/3803))