[chore] Ensure the opamp supervisor is using expected version (open-t…

…elemetry#24228)

Fixes error reported in workflows
https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/5524791197/jobs/10077589745?pr=24213

cmd/opampsupervisor/go.mod

@@ -7,7 +7,7 @@ require (
  github.com/knadh/koanf v1.5.0
  github.com/oklog/ulid/v2 v2.1.0
  github.com/open-telemetry/opamp-go v0.6.0
- go.opentelemetry.io/collector/config/configtls v0.80.1-0.20230629144634-c3f70bd1f8ea
+ go.opentelemetry.io/collector/config/configtls v0.81.0
  go.uber.org/zap v1.24.0
 )
 
@@ -20,7 +20,7 @@ require (
  github.com/mitchellh/reflectwalk v1.0.2 // indirect
  github.com/pmezard/go-difflib v1.0.0 // indirect
  github.com/stretchr/testify v1.8.4 // indirect
- go.opentelemetry.io/collector/config/configopaque v0.80.1-0.20230629144634-c3f70bd1f8ea // indirect
+ go.opentelemetry.io/collector/config/configopaque v0.81.0 // indirect
  go.uber.org/atomic v1.7.0 // indirect
  go.uber.org/multierr v1.6.0 // indirect
  golang.org/x/sys v0.10.0 // indirect