build(deps): bump go.opentelemetry.io/otel/exporters/prometheus (#899)

Bumps [go.opentelemetry.io/otel/exporters/prometheus](https://github.com/open-telemetry/opentelemetry-go) from 0.63.0 to 0.64.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](open-telemetry/opentelemetry-go@exporters/prometheus/v0.63.0...exporters/prometheus/v0.64.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/otel/exporters/prometheus
  dependency-version: 0.64.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -21,7 +21,7 @@ require (
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.42.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.42.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.42.0
-	go.opentelemetry.io/otel/exporters/prometheus v0.63.0
+	go.opentelemetry.io/otel/exporters/prometheus v0.64.0
 	go.opentelemetry.io/otel/metric v1.42.0
 	go.opentelemetry.io/otel/sdk v1.42.0
 	go.opentelemetry.io/otel/sdk/metric v1.42.0

go.sum

@@ -321,8 +321,8 @@ go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.42.0 h1:zWWrB
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.42.0/go.mod h1:2qXPNBX1OVRC0IwOnfo1ljoid+RD0QK3443EaqVlsOU=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.42.0 h1:uLXP+3mghfMf7XmV4PkGfFhFKuNWoCvvx5wP/wOXo0o=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.42.0/go.mod h1:v0Tj04armyT59mnURNUJf7RCKcKzq+lgJs6QSjHjaTc=
-go.opentelemetry.io/otel/exporters/prometheus v0.63.0 h1:OLo1FNb0pBZykLqbKRZolKtGZd0Waqlr240YdMEnhhg=
-go.opentelemetry.io/otel/exporters/prometheus v0.63.0/go.mod h1:8yeQAdhrK5xsWuFehO13Dk/Xb9FuhZoVpJfpoNCfJnw=
+go.opentelemetry.io/otel/exporters/prometheus v0.64.0 h1:g0LRDXMX/G1SEZtK8zl8Chm4K6GBwRkjPKE36LxiTYs=
+go.opentelemetry.io/otel/exporters/prometheus v0.64.0/go.mod h1:UrgcjnarfdlBDP3GjDIJWe6HTprwSazNjwsI+Ru6hro=
 go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.8.0 h1:CHXNXwfKWfzS65yrlB2PVds1IBZcdsX8Vepy9of0iRU=
 go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.8.0/go.mod h1:zKU4zUgKiaRxrdovSS2amdM5gOc59slmo/zJwGX+YBg=
 go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.32.0 h1:SZmDnHcgp3zwlPBS2JX2urGYe/jBKEIT6ZedHRUyCz8=