chore(deps): bump com.diffplug.spotless:spotless-maven-plugin from 3.6.0 to 3.9.0

[dependabot]

Bumps com.diffplug.spotless:spotless-maven-plugin from 3.6.0 to 3.9.0.

Release notes

Sourced from com.diffplug.spotless:spotless-maven-plugin's releases.

Maven Plugin v3.9.0

Added

• Add support for Java formatting via prince-of-space with the new <princeOfSpace> step. (#2991)

Changes

• Replace RDF formatter library de.atextor:turtle-formatter (discontinued) with cool.rdf:cool-rdf-formatter (its new coordinates); the RDF/turtle formatter now requires Java 25+. (#2995)
• Bump default greclipse version to latest 4.39 -> 4.40. (#2989)
• Bump default tabletest-formatter version 1.1.1 -> 1.1.2.

Maven Plugin v3.8.0

Added

• Add support for custom string format for license header copyright year via yearStringFormat(). (#2965)

Fixed

• <expandWildcardImports> no longer triggers a full transitive dependency resolution on every build. Dependency resolution is now deferred until the step actually runs, so projects that do not use <expandWildcardImports> (or that use version ranges) are no longer penalized. (#2983)

Maven Plugin v3.7.0

Fixed

• Parse standard git year output in LicenseHeaderStep. (#2940)
• <toggleOffOn> no longer disables lint-only steps such as <forbidWildcardImports>. (#2962)
• Fix StringIndexOutOfBoundsException in scenarios where copyright year is surrounded by whitespace. (#2973)

Added

• Add support for AsciiDoc formatting via adocfmt. (#2960)
• <flexmark> step now supports arbitrary formatter options via <formatterOptions>. (#2968)

Commits

• ff6ac27 Published maven/3.9.0
• cbd01c4 Published gradle/8.9.0
• c724e70 Published lib/4.9.0
• 793638d Replace de.atextor:turtle-formatter with cool.rdf:cool-rdf-formatter (#2995)
• 3cb7227 Note Java 25+ requirement for RDF formatter; tidy changelogs
• fd9eb96 Merge remote-tracking branch 'origin/main' into use-cool-rdf-formatter
• d407109 Add support for prince-of-space Java formatter (#2991)
• cb64859 Merge remote-tracking branch 'origin/main' into use-cool-rdf-formatter
• f88db43 Bump tabletest-formatter to 1.1.2 (#3001)
• ec7db39 Bump tabletest-formatter to 1.1.2
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