[chore] Use pseudoversions for configoptional (#13162)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description

Uses valid pseudoversion so that contrib update-otel works

Author: mx-psi

cmd/otelcorecol/go.mod

@@ -95,7 +95,7 @@ require (
 	go.opentelemetry.io/collector/config/configmiddleware v0.127.0 // indirect
 	go.opentelemetry.io/collector/config/confignet v1.33.0 // indirect
 	go.opentelemetry.io/collector/config/configopaque v1.33.0 // indirect
-	go.opentelemetry.io/collector/config/configoptional v0.0.0-00010101000000-000000000000 // indirect
+	go.opentelemetry.io/collector/config/configoptional v0.0.0-20250605110633-e8ca607b7989 // indirect
 	go.opentelemetry.io/collector/config/configretry v1.33.0 // indirect
 	go.opentelemetry.io/collector/config/configtelemetry v0.127.0 // indirect
 	go.opentelemetry.io/collector/config/configtls v1.33.0 // indirect

internal/e2e/go.mod

@@ -13,7 +13,7 @@ require (
 	go.opentelemetry.io/collector/config/confighttp v0.127.0
 	go.opentelemetry.io/collector/config/confignet v1.33.0
 	go.opentelemetry.io/collector/config/configopaque v1.33.0
-	go.opentelemetry.io/collector/config/configoptional v0.0.0-00010101000000-000000000000
+	go.opentelemetry.io/collector/config/configoptional v0.0.0-20250605110633-e8ca607b7989
 	go.opentelemetry.io/collector/config/configretry v1.33.0
 	go.opentelemetry.io/collector/config/configtelemetry v0.127.0
 	go.opentelemetry.io/collector/config/configtls v1.33.0

receiver/otlpreceiver/go.mod

@@ -15,7 +15,7 @@ require (
 	go.opentelemetry.io/collector/config/confighttp v0.127.0
 	go.opentelemetry.io/collector/config/confignet v1.33.0
 	go.opentelemetry.io/collector/config/configopaque v1.33.0
-	go.opentelemetry.io/collector/config/configoptional v0.0.0-00010101000000-000000000000
+	go.opentelemetry.io/collector/config/configoptional v0.0.0-20250605110633-e8ca607b7989
 	go.opentelemetry.io/collector/config/configtls v1.33.0
 	go.opentelemetry.io/collector/confmap v1.33.0
 	go.opentelemetry.io/collector/confmap/xconfmap v0.127.0