[chore] Prepare release v1.49.0/v0.143.0 (#14355)

The following commands were run to prepare this release:
- make chlog-update VERSION=v1.49.0/v0.143.0
- make prepare-release PREVIOUS_VERSION=1[.]48[.]0
RELEASE_CANDIDATE=1.49.0 MODSET=stable
- make prepare-release PREVIOUS_VERSION=0[.]142[.]0
RELEASE_CANDIDATE=0.143.0 MODSET=beta

---------

Co-authored-by: otelbot <197425009+otelbot@users.noreply.github.com>

Author: otelbot[bot]

.chloggen/14331.yaml

@@ -7,6 +7,14 @@ If you are looking for user-facing changes, check out [CHANGELOG.md](./CHANGELOG
 
 <!-- next version -->
 
+## v1.49.0/v0.143.0
+
+### 🛑 Breaking changes 🛑
+
+- `pkg/xprocessor`: Use pointer receivers in xprocessor factory methods for consistency with other factories. (#14348)
+
+<!-- previous-version -->
+
 ## v1.48.0/v0.142.0
 
 ### 🛑 Breaking changes 🛑

.chloggen/alignfieldsproto.yaml

@@ -7,6 +7,17 @@ If you are looking for developer-facing changes, check out [CHANGELOG-API.md](./
 
 <!-- next version -->
 
+## v1.49.0/v0.143.0
+
+### 💡 Enhancements 💡
+
+- `all`: Update semconv import to 1.38.0 (#14305)
+- `exporter/nop`: Add profiles support to nop exporter (#14331)
+- `pkg/pdata`: Optimize the size and pointer bytes for pdata structs (#14339)
+- `pkg/pdata`: Avoid using interfaces/oneof like style for optional fields (#14333)
+
+<!-- previous-version -->
+
 ## v1.48.0/v0.142.0
 
 ### 💡 Enhancements 💡

.chloggen/avoid-pointers-optional.yaml

@@ -4,8 +4,8 @@ go 1.24.0
 
 require (
 	github.com/stretchr/testify v1.11.1
-	go.opentelemetry.io/collector/consumer v1.48.0
-	go.opentelemetry.io/collector/pdata v1.48.0
+	go.opentelemetry.io/collector/consumer v1.49.0
+	go.opentelemetry.io/collector/pdata v1.49.0
 	go.uber.org/goleak v1.3.0
 )
 
@@ -16,7 +16,7 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	go.opentelemetry.io/collector/featuregate v1.48.0 // indirect
+	go.opentelemetry.io/collector/featuregate v1.49.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

.chloggen/codeboten_update-semconv.yaml

@@ -18,8 +18,8 @@ import (
 )
 
 const (
-	defaultBetaOtelColVersion   = "v0.142.0"
-	defaultStableOtelColVersion = "v1.48.0"
+	defaultBetaOtelColVersion   = "v0.143.0"
+	defaultStableOtelColVersion = "v1.49.0"
 )
 
 // errMissingGoMod indicates an empty gomod field

.chloggen/use-pointer-in-xprocessor-factory-methods.yaml

@@ -10,29 +10,29 @@ dist:
   module: go.opentelemetry.io/collector/cmd/otelcorecol
   name: otelcorecol
   description: Local OpenTelemetry Collector binary, testing only.
-  version: 0.142.0-dev
+  version: 0.143.0-dev
 
 receivers:
-  - gomod: go.opentelemetry.io/collector/receiver/nopreceiver v0.142.0
-  - gomod: go.opentelemetry.io/collector/receiver/otlpreceiver v0.142.0
+  - gomod: go.opentelemetry.io/collector/receiver/nopreceiver v0.143.0
+  - gomod: go.opentelemetry.io/collector/receiver/otlpreceiver v0.143.0
 exporters:
-  - gomod: go.opentelemetry.io/collector/exporter/debugexporter v0.142.0
-  - gomod: go.opentelemetry.io/collector/exporter/nopexporter v0.142.0
-  - gomod: go.opentelemetry.io/collector/exporter/otlpexporter v0.142.0
-  - gomod: go.opentelemetry.io/collector/exporter/otlphttpexporter v0.142.0
+  - gomod: go.opentelemetry.io/collector/exporter/debugexporter v0.143.0
+  - gomod: go.opentelemetry.io/collector/exporter/nopexporter v0.143.0
+  - gomod: go.opentelemetry.io/collector/exporter/otlpexporter v0.143.0
+  - gomod: go.opentelemetry.io/collector/exporter/otlphttpexporter v0.143.0
 extensions:
-  - gomod: go.opentelemetry.io/collector/extension/memorylimiterextension v0.142.0
-  - gomod: go.opentelemetry.io/collector/extension/zpagesextension v0.142.0
+  - gomod: go.opentelemetry.io/collector/extension/memorylimiterextension v0.143.0
+  - gomod: go.opentelemetry.io/collector/extension/zpagesextension v0.143.0
 processors:
-  - gomod: go.opentelemetry.io/collector/processor/batchprocessor v0.142.0
-  - gomod: go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.142.0
+  - gomod: go.opentelemetry.io/collector/processor/batchprocessor v0.143.0
+  - gomod: go.opentelemetry.io/collector/processor/memorylimiterprocessor v0.143.0
 connectors:
-  - gomod: go.opentelemetry.io/collector/connector/forwardconnector v0.142.0
+  - gomod: go.opentelemetry.io/collector/connector/forwardconnector v0.143.0
 
 providers:
-  - gomod: go.opentelemetry.io/collector/confmap/provider/envprovider v1.48.0
-  - gomod: go.opentelemetry.io/collector/confmap/provider/fileprovider v1.48.0
-  - gomod: go.opentelemetry.io/collector/confmap/provider/httpprovider v1.48.0
-  - gomod: go.opentelemetry.io/collector/confmap/provider/httpsprovider v1.48.0
-  - gomod: go.opentelemetry.io/collector/confmap/provider/yamlprovider v1.48.0
+  - gomod: go.opentelemetry.io/collector/confmap/provider/envprovider v1.49.0
+  - gomod: go.opentelemetry.io/collector/confmap/provider/fileprovider v1.49.0
+  - gomod: go.opentelemetry.io/collector/confmap/provider/httpprovider v1.49.0
+  - gomod: go.opentelemetry.io/collector/confmap/provider/httpsprovider v1.49.0
+  - gomod: go.opentelemetry.io/collector/confmap/provider/yamlprovider v1.49.0