`eo-maven-plugin` allows attributes without names in an abstract object

See #3294, release log:

• 2fc4446 by @yegor256: Merge pull request #3284 from ...
• 5b1a1cf by @yegor256: Merge pull request #3241 from ...
• 612380a by @yegor256: Merge pull request #3297 from ...
• ae6245c by @yegor256: Merge pull request #3292 from ...
• f565073 by @yegor256: Merge pull request #3295 from ...
• 0acb394 by @renovate[bot]: chore(deps): update zerocracy/...
• e7572b2 by @yegor256: Merge pull request #3296 from ...
• 1feb326 by @renovate[bot]: chore(deps): update zerocracy/...
• 5d0b2fc by @maxonfjvipon: fix(#3294): phi package
• eddeeb8 by @maxonfjvipon: fix(#3294): phi fails on error...
• 8be7455 by @maxonfjvipon: feat(#3251): with line separat...
• c1edb71 by @maxonfjvipon: feat(#3251): excluded
• 5b1a2f1 by @maxonfjvipon: feat(#3251): package info
• a6e9964 by @maxonfjvipon: feat(#3251): uname and line se...
• 4f11116 by @maxonfjvipon: feat(#3251): more dependencies
• d47d21f by @maxonfjvipon: feat(#3251): dependency
• 05a3d06 by @yegor256: Merge pull request #3293 from ...
• 0614bf4 by @renovate[bot]: chore(deps): update zerocracy/...
• 8668a5d by @maxonfjvipon: feat(#3251): writes with i/o
• 869250f by @maxonfjvipon: feat(#3251): codacy + typos
• and 141 more...

Released by Rultor 2.0-SNAPSHOT, see build log