build(dev-deps): set version of duplicate-finder-maven-plugin to 1.5.1

See #1123, release log:

• 55df438 by @yegor256: Merge pull request #1125 from ...
• ae6e7bc by @baudoliver7: ci(rultor): include gpg signat...
• 84acf47 by @yegor256: Merge pull request #1124 from ...
• b284bad by @baudoliver7: ci(rultor): remove sonar check...
• f74add0 by @baudoliver7: build(dev-deps): set version o...
• 16ea922 by @rultor: Merge branch '__rultor'
• e1aed98 by @baudoliver7: deps: bump cactoos, cactoos-ma...
• 0e4b82d by @baudoliver7: fix(github): fix deprecating a...
• acedcc4 by @baudoliver7: fix(RqFake): fix first request...
• 90d4ce7 by @rultor: Merge branch '__rultor'
• 2536eb8 by @yegor256: Merge pull request #1115 from ...
• 0dda214 by @baudoliver7: fix(maven): change maven link ...
• 72f09dd by @baudoliver7: Format pom.xml #958
• c990e9e by @baudoliver7: Fix conflicts #958
• 2c19b2e by @baudoliver7: Exclude qulice dependency chec...
• 809fd5d by @baudoliver7: Exclude qulice dependencies ch...
• 8f0123b by @baudoliver7: Trigger checks #1080
• 7ac0f72 by @baudoliver7: Merge branch 'master' of githu...
• c031d76 by @rultor: Merge branch '__rultor'
• ae3c15c by @yegor256: #1094 new parent
• and 211 more...

Released by Rultor 1.70.6, see build log