Update OpenTelemetry-cpp to 1.8.1 (#28333)

ports/opentelemetry-cpp/portfile.cmake

@@ -5,8 +5,8 @@ endif()
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO open-telemetry/opentelemetry-cpp
-    REF v1.7.0
-    SHA512 8f32105f217c7f127fa73d6cc787d3a5872e945c3aa694b35393c3bfb85a7cf0d61e0005e8b80a8f9eec259e4cc65463bfa8e9b2da71aca4c15f84955ee05b91
+    REF v1.8.1
+    SHA512 4ad89ef5e154674c591d7ab49d262f23093db8b4d7cf1c69a844e24adab96cff523de0769e5dfe7b2721f5a5e18790b11020021380f587775dd660b09e65a44a
     HEAD_REF main
     PATCHES
         support_absl_cxx17.patch
@@ -44,7 +44,6 @@ vcpkg_cmake_configure(
     OPTIONS
         -DBUILD_TESTING=OFF
         -DWITH_EXAMPLES=OFF
-        -DWITH_METRICS_PREVIEW=ON
         -DWITH_LOGS_PREVIEW=ON
         ${FEATURE_OPTIONS}
 )

ports/opentelemetry-cpp/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://raw.githubusercontent.com/microsoft/vcpkg/master/scripts/vcpkg.schema.json",
   "name": "opentelemetry-cpp",
-  "version-semver": "1.7.0",
+  "version-semver": "1.8.1",
   "description": [
     "OpenTelemetry is a collection of tools, APIs, and SDKs.",
     "You use it to instrument, generate, collect, and export telemetry data (metrics, logs, and traces) for analysis in order to understand your software's performance and behavior."

versions/baseline.json

@@ -5585,7 +5585,7 @@
       "port-version": 0
     },
     "opentelemetry-cpp": {
-      "baseline": "1.7.0",
+      "baseline": "1.8.1",
       "port-version": 0
     },
     "opentracing": {

versions/o-/opentelemetry-cpp.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "e843a5826f9147538a9f50194eebfcb5002a8f7b",
+      "version-semver": "1.8.1",
+      "port-version": 0
+    },
     {
       "git-tree": "454e8d6c9d7b195d7e923e8f29486ecb08966e41",
       "version-semver": "1.7.0",