fix(#3084): combined memory and malloc + added scope and remove memory leaks

[maxonfjvipon]

Closes: #3084
Closes: #3125

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PR-Codex overview

This PR updates memory handling in the codebase, optimizes XLS parsing, and refactors malloc functionality.

Detailed summary

• Updated memory handling and malloc functionality
• Optimized XLS parsing train using lambda expressions
• Refactored malloc.of and malloc.of.allocated classes

The following files were skipped due to too many changes: eo-runtime/src/test/eo/org/eolang/seq-tests.eo, eo-runtime/src/test/eo/org/eolang/runtime-tests.eo, eo-runtime/src/test/java/EOorg/EOeolang/EOmallocTest.java, eo-runtime/src/test/eo/org/eolang/while-tests.eo, eo-runtime/src/main/eo/org/eolang/malloc.eo, eo-runtime/src/test/eo/org/eolang/malloc-tests.eo

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[maxonfjvipon]

@yegor256 please check

[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 18min)