Update opentelemetry-java monorepo (#852)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
-opentelemetry-core = "1.38.0"
-opentelemetry-core-alpha = "1.38.0-alpha"
+opentelemetry-core = "1.40.0"
+opentelemetry-core-alpha = "1.40.0-alpha"
 opentelemetry-inst = "1.33.4"
 opentelemetry-inst-alpha = "1.33.4-alpha"
 opentelemetry-android = "0.4.0-alpha"