all: note v5.9.0 release and update otlp/go.mod

Author: kevinburkesegment

HISTORY.md

@@ -1,6 +1,6 @@
 # History
 
-### v5.9.0 (Unreleased)
+### v5.9.0 (June 15, 2026)
 
 Apply 'go fix ./...' on the codebase. Several references to interface{} have
 been replaced by `any`; there should be no API or performance differences.

otlp/go.mod

@@ -3,7 +3,7 @@ module github.com/segmentio/stats/v5/otlp
 go 1.25.0
 
 require (
-	github.com/segmentio/stats/v5 v5.8.0
+	github.com/segmentio/stats/v5 v5.9.0
 	go.opentelemetry.io/otel v1.44.0
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.44.0
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.44.0

otlp/go.sum

@@ -25,8 +25,8 @@ github.com/segmentio/encoding v0.4.1 h1:KLGaLSW0jrmhB58Nn4+98spfvPvmo4Ci1P/WIQ9w
 github.com/segmentio/encoding v0.4.1/go.mod h1:/d03Cd8PoaDeceuhUUUQWjU0KhWjrmYrWPgtJHYZSnI=
 github.com/segmentio/fasthash v1.0.3 h1:EI9+KE1EwvMLBWwjpRDc+fEM+prwxDYbslddQGtrmhM=
 github.com/segmentio/fasthash v1.0.3/go.mod h1:waKX8l2N8yckOgmSsXJi7x1ZfdKZ4x7KRMzBtS3oedY=
-github.com/segmentio/stats/v5 v5.8.0 h1:QrAku1UUEUxdK5XSIMYHLlINRb2aZhZ/5Cv10ah2hnY=
-github.com/segmentio/stats/v5 v5.8.0/go.mod h1:Mg2KfApYceYW3SaGprkCrQ2zXkdCQRt86SxMCuSSSQg=
+github.com/segmentio/stats/v5 v5.9.0 h1:eNPTuh3ntN8nV1XeLoYKYyV9axbaIPFVN1LH8F/iXoQ=
+github.com/segmentio/stats/v5 v5.9.0/go.mod h1:Mg2KfApYceYW3SaGprkCrQ2zXkdCQRt86SxMCuSSSQg=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=