OTel Collector v0.110.0 dependency update; remove validation connector (#252)

Removes the validation connector, as it had become broken and was
already half-functional anyway, see
open-telemetry/opentelemetry-collector#8104.

Author: jmacd

CHANGELOG.md

@@ -8,6 +8,10 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## Unreleased
 
+- Concurrent batch processor: synchronize with upstream; removes in-flight bytes metric, 
+  removes panic recovery as unnecessary divergence. [#251](https://github.com/open-telemetry/otel-arrow/pull/251)
+- Update collector dependencies to v0.110.0/v1.16.0; remove validation connector
+
 ## [0.26.0](https://github.com/open-telemetry/otel-arrow/releases/tag/v0.26.0) - 2024-09-06
 
 - Concurrent batch processor: tracing improvements. [#238](https://github.com/open-telemetry/otel-arrow/pull/238), [#241](https://github.com/open-telemetry/otel-arrow/pull/241)

Makefile

@@ -103,7 +103,7 @@ endif
 BUILDER = builder
 .PHONY: $(BUILDER)
 builder:
-	$(GOCMD) install go.opentelemetry.io/collector/cmd/builder@v0.105.0
+	$(GOCMD) install go.opentelemetry.io/collector/cmd/builder@v0.110.0
 
 .PHONY: genotelarrowcol
 genotelarrowcol: builder

collector/README.md

@@ -41,8 +41,6 @@ maintainers.  These components are:
 - [`processor/obfuscationprocessor`][OBFUSCATIONPROCESSOR]: Supports
   obfuscation of OpenTelemetry data using a [Feistel
   cipher](https://en.wikipedia.org/wiki/Feistel_cipher).
-- [`connector/validationconnector`][VALIDATIONCONNECTOR]: A component
-  for on-the-fly validation of a local pipeline.
 
 ## Other components built into `otelarrowcol`
 
@@ -70,7 +68,6 @@ From the core collector repository:
 [UPSTREAMFILEEXPORTER]: https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/exporter/fileexporter/README.md
 [UPSTREAMFILERECEIVER]: https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/receiver/filereceiver/README.md
 [OBFUSCATIONPROCESSOR]: ./processor/obfuscationprocessor/README.md
-[VALIDATIONCONNECTOR]: ./connector/validationconnector/README.md
 [BASICAUTHEXT]: https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/extension/basicauthextension/README.md
 [HEADERSETTEREXT]: https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/extension/headerssetterextension/README.md
 [PPROFEXT]: https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/extension/pprofextension/README.md