Update tethys-core, tethys-derivation, ... to 0.29.8 (#2853)

Author: softwaremill-ci

build.sbt

@@ -167,7 +167,7 @@ val resilience4jVersion = "2.4.0"
 val http4s_ce2_version = "0.22.15"
 val http4s_ce3_version = "0.23.33"
 val osLibVersion = "0.11.4"
-val tethysVersion = "0.29.7"
+val tethysVersion = "0.29.8"
 val openTelemetryVersion = "1.59.0"
 val openTelemetrySemconvVersion = "1.40.0"
 val otel4s = "0.15.2"