[main] Bump OpenTelemetry and OpenTelemetry.Exporter.OpenTelemetryProtocol

Bumps OpenTelemetry from 1.15.3 to 1.18.0
Bumps OpenTelemetry.Exporter.OpenTelemetryProtocol from 1.15.3 to 1.18.0

---
updated-dependencies:
- dependency-name: OpenTelemetry
  dependency-version: 1.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: OpenTelemetry.Exporter.OpenTelemetryProtocol
  dependency-version: 1.18.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -97,8 +97,8 @@
     <PackageVersion Include="Microsoft.TestPlatform.Filter.Source" Version="$(MicrosoftNETTestSdkVersion)" />
     <PackageVersion Include="Microsoft.Win32.Registry" Version="5.0.0" />
     <PackageVersion Include="Microsoft.WindowsAppSDK" Version="1.8.251003001" />
-    <PackageVersion Include="OpenTelemetry" Version="1.15.3" />
-    <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.3" />
+    <PackageVersion Include="OpenTelemetry" Version="1.18.0" />
+    <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.18.0" />
     <PackageVersion Include="System.Memory" Version="$(SystemMemoryVersion)" />
     <PackageVersion Include="System.Text.Json" Version="10.0.11" />
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="$(SystemThreadingTasksExtensionsVersion)" />