Update Gradle dependency : Bump org.springframework.shell:spring-shell-starter

Bumps [org.springframework.shell:spring-shell-starter](https://github.com/spring-projects/spring-shell) from 3.0.3 to 3.4.0.
- [Release notes](https://github.com/spring-projects/spring-shell/releases)
- [Commits](spring-projects/spring-shell@v3.0.3...v3.4.0)

---
updated-dependencies:
- dependency-name: org.springframework.shell:spring-shell-starter
  dependency-version: 3.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ junixsocket-common = { module = "com.kohlschutter.junixsocket:junixsocket-common
 junixsocket-native-common = { module = "com.kohlschutter.junixsocket:junixsocket-native-common", version.ref = "junixsocket" }
 pi4j-core = { module = "com.pi4j:pi4j-core", version = "1.4" }
 pure-java-hid-api = { module = "io.github.vveird:purejavahidapi", version = "0.0.3" }
-spring-shell-starter = { module = "org.springframework.shell:spring-shell-starter", version = "3.0.3" }
+spring-shell-starter = { module = "org.springframework.shell:spring-shell-starter", version = "3.4.0" }
 
 [plugins]
 spring-boot = { id = "org.springframework.boot", version.ref = "spring-boot" }