[chore]: Bump go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc (#2818)

Bumps [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc](https://github.com/open-telemetry/opentelemetry-go) from 1.24.0 to 1.25.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.24.0...v1.25.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

vendor/go.opentelemetry.io/otel/verify_readmes.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# Copyright The OpenTelemetry Authors
+# SPDX-License-Identifier: Apache-2.0
+
+set -euo pipefail
+
+dirs=$(find . -type d -not -path "*/internal*" -not -path "*/test*" -not -path "*/example*" -not -path "*/.*" | sort)
+
+missingReadme=false
+for dir in $dirs; do
+	if [ ! -f "$dir/README.md" ]; then
+		echo "couldn't find README.md for $dir"
+		missingReadme=true
+	fi
+done
+
+if [ "$missingReadme" = true ] ; then
+	echo "Error: some READMEs couldn't be found."
+	exit 1
+fi