Adds support to Eurex market to DBAG EA

[mohamed-mehany]

Closes OPDATA-4246

Description

This PR adds Eurex as a supported market.

Changes

• Adds Eurex market to list of supported markets

Steps to Test

1. Unit tests
2. Integration tests
3. Local server tests via the following request

{
  "data":  {
      "endpoint":"lwba",
      "market":"md-microproducts","
       isin":"DE000A2QNFM7"
   }
}

Quality Assurance

• If a new adapter was made, or an existing one was modified so that its environment variables have changed, update the relevant infra-k8s configuration file.
• If a new adapter was made, or an existing one was modified so that its environment variables have changed, update the relevant adapter-secrets configuration file or update the soak testing blacklist.
• If a new adapter was made, or a new endpoint was added, update the test-payload.json file with relevant requests.
• The branch naming follows git flow (feature/x, chore/x, release/x, hotfix/x, fix/x) or is created from Jira.
• This is related to a maximum of one Jira story or GitHub issue.
• Types are safe (avoid TypeScript/TSLint features like any and disable, instead use more specific types).
• All code changes have 100% unit and integration test coverage. If testing is not applicable or too difficult to justify doing, the reasoning should be documented explicitly in the PR.

[changeset-bot]

🦋 Changeset detected

Latest commit: 4191a70

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@chainlink/deutsche-boerse-adapter	Minor

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