Bump github.com/tidwall/wal in /exporter/prometheusremotewriteexporter

Bumps [github.com/tidwall/wal](https://github.com/tidwall/wal) from 1.1.7 to 1.1.8.
- [Commits](tidwall/wal@v1.1.7...v1.1.8)

---
updated-dependencies:
- dependency-name: github.com/tidwall/wal
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

exporter/prometheusremotewriteexporter/go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/prometheusremotewrite v0.81.0
 	github.com/prometheus/prometheus v0.43.1
 	github.com/stretchr/testify v1.8.4
-	github.com/tidwall/wal v1.1.7
+	github.com/tidwall/wal v1.1.8
 	go.opentelemetry.io/collector/component v0.81.0
 	go.opentelemetry.io/collector/config/confighttp v0.81.0
 	go.opentelemetry.io/collector/config/configopaque v0.81.0