[Automation] Bump product version numbers

[elastic-observability-automation]

Bump release versions in the config/versions.yml

Update config/versions.yml edot-node 1.2.0

change detected: * key "$.versioning_systems.edot_node.current" updated from "1.1.1" to "1.2.0", in file "config/versions.yml"

v1.2.0

## Changelog

### Features and enhancements

- Initial support for Central Configuration: the ability to configure some aspects of EDOT Node.js in running instrumented applications from a central Kibana. This feature is in technical preview. [#834](https://github.com/elastic/elastic-otel-node/pull/834) [#886](https://github.com/elastic/elastic-otel-node/pull/886)

  This release includes support for the following settings: `logging_level`, `deactivate_all_instrumentations`, `deactivate_instrumentations`

### Chores

- Support for instrumenting `redis` version 4 has moved from `@opentelemetry/instrumentation-redis-4` to `@opentelemetry/instrumentation-redis`. If you are using the `OTEL_NODE_ENABLED_INSTRUMENTATIONS` or `OTEL_NODE_DISABLED_INSTRUMENTATIONS` environment variables to control instrumentation of `redis@4` you will need to change from using "redis-4" to "redis".

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[README](https://github.com/elastic/elastic-otel-node/tree/main/packages/opentelemetry-node#readme) | [Full Release Notes](https://github.com/elastic/elastic-otel-node/blob/main/docs/release-notes/index.md) | [Breaking Changes](https://github.com/elastic/elastic-otel-node/blob/main/docs/release-notes/breaking-changes.md)

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