Remove exclude for E-PK-CORE-53 dependencies.md file has outdated content

[ckunki]

After setting required maven version to 3.8.7. or higher with PK ticket #444 (project-keeper release 2.9.6) users can remove the suppressed warning from file .project-keeper.yml:

  - regex: "(?s)E-PK-CORE-53: The dependencies.md file has outdated content.*"

Affected repositories:

• spark-connector
• ci-isolation-aws
• error-catalog
• cloudwatch-adapter
• tableau-connector
• parquet-io-java
• virtual-schema-common-document
• parquet-edml-generator
• cloudwatch-dashboard-examples
• glue-connector
• exasol-virtual-schema
• ✅ project-keeper
• s3-document-files-virtual-schema
• cloud-storage-extension
• extension-manager
• java-class-list-extractor
• edml-java