`TranspileMojo` does not generate `package-info.java` for packages without `.eo` files

See #4016, release log:

• bf9e946 by @yegor256: Merge pull request #4035 from ...
• a24c199 by @volodya-lombrozo: feat(#4032): Introduce StFlatB...
• 6c539ef by @yegor256: Merge pull request #4033 from ...
• e4fab44 by @maxonfjvipon: bug(#4016): fixes
• 2391109 by @maxonfjvipon: bug(#4016): unspile with file ...
• ab47b62 by @maxonfjvipon: bug(#4016): typo
• bca7b26 by @maxonfjvipon: bug(#4016): log
• ffaa4a9 by @maxonfjvipon: bug(#4016): docs
• a0d5065 by @maxonfjvipon: bug(#4016): msg
• d85eabb by @maxonfjvipon: bug(#4016): qulice
• cfd6399 by @maxonfjvipon: bug(#4016): jar it
• ceb827e by @maxonfjvipon: bug(#4016): no unspile in phi-...
• 7d3a242 by @maxonfjvipon: bug(#4016): unplace and unspil...
• 970d03a by @yegor256: Merge pull request #4031 from ...
• 5296f37 by @volodya-lombrozo: feat(#3807): Add tests for byt...
• 5538af6 by @volodya-lombrozo: test(#3807): Add test for comp...
• ec4c141 by @yegor256: Merge pull request #4029 from ...
• 1cb2b7e by @volodya-lombrozo: fix(#3851): Improve error mess...
• 0a604a0 by @yegor256: Merge pull request #4028 from ...
• 26d9258 by @renovate[bot]: chore(deps): update zerocracy/...
• and 31 more...

Released by Rultor 2.0-SNAPSHOT, see build log