fix(deps): update dependency io.prometheus:prometheus-metrics-exporter-opentelemetry to v1.8.0 (#1174)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

doc-snippets/prometheus-compatibility/build.gradle.kts

@@ -14,5 +14,5 @@ dependencies {
 
     implementation("io.prometheus:prometheus-metrics-core:1.8.0")
     implementation("io.prometheus:prometheus-metrics-exporter-httpserver:1.8.0")
-    implementation("io.prometheus:prometheus-metrics-exporter-opentelemetry:1.7.0")
+    implementation("io.prometheus:prometheus-metrics-exporter-opentelemetry:1.8.0")
 }