fix(deps): update dependency org.apache.logging.log4j:log4j-bom to v2.25.0 (open-telemetry#719)

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

Author: renovate[bot]

log-appender/build.gradle.kts

@@ -23,7 +23,7 @@ dependencies {
     implementation("org.slf4j:jul-to-slf4j:2.0.17")
 
     // Log4j
-    implementation(platform("org.apache.logging.log4j:log4j-bom:2.24.3"))
+    implementation(platform("org.apache.logging.log4j:log4j-bom:2.25.0"))
     implementation("org.apache.logging.log4j:log4j-api")
     implementation("org.apache.logging.log4j:log4j-core")