fix(#2702): runtime without dependencies

[maxonfjvipon]

Closes: #2702
Closes: #2684

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PR-Codex overview

Detailed summary

• Updated the exclusion path in the .codacy.yml file.
• Refactored the VerifyMojo class in eo-maven-plugin module to use a different constructor for OptTrain.
• Changed the scope of a dependency in the eo-runtime/pom.xml file from provided to test.
• Updated the list of tests in the check-runtime-deps.groovy file in the eo-runtime/src/test/groovy directory.
• Added new import statements and modified code in the EOrust class in the eo-runtime/src/main/java/EOorg/EOeolang directory.
• Modified the Data class in the eo-runtime/src/main/java/org/eolang directory to include a new method for unescaping Java strings.

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[maxonfjvipon]

@yegor256 please have a look

[yegor256]

@rultor merge

[rultor]

@rultor merge

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@yegor256 Done! FYI, the full log is here (took me 17min)