Bump github.com/alecthomas/participle/v2

Bumps [github.com/alecthomas/participle/v2](https://github.com/alecthomas/participle) from 2.0.0-alpha7 to 2.0.0-beta.4.
- [Release notes](https://github.com/alecthomas/participle/releases)
- [Changelog](https://github.com/alecthomas/participle/blob/master/CHANGES.md)
- [Commits](alecthomas/participle@v2.0.0-alpha7...v2.0.0-beta.4)

---
updated-dependencies:
- dependency-name: github.com/alecthomas/participle/v2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

processor/transformprocessor/go.mod

@@ -3,7 +3,7 @@ module github.com/open-telemetry/opentelemetry-collector-contrib/processor/trans
 go 1.17
 
 require (
-	github.com/alecthomas/participle/v2 v2.0.0-alpha9
+	github.com/alecthomas/participle/v2 v2.0.0-beta.4
 	github.com/gobwas/glob v0.2.3
 	github.com/stretchr/testify v1.8.0
 	go.opentelemetry.io/collector v0.55.0