chore(deps): bump com.github.spotbugs from 5.1.3 to 6.0.23

Bumps com.github.spotbugs from 5.1.3 to 6.0.23.

---
updated-dependencies:
- dependency-name: com.github.spotbugs
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ assertj-swing-junit = {group = "tokyo.northside", name = "assertj-swing-junit",
 junit = {group = "junit", name = "junit", version.ref = "junit"}
 
 [plugins]
-spotbugs = {id = "com.github.spotbugs", version = "5.1.3"}
+spotbugs = {id = "com.github.spotbugs", version = "6.0.23"}
 spotless = {id = "com.diffplug.spotless", version = "6.22.0"}
 git-version = {id = "com.palantir.git-version", version = "3.0.0"}
 nexus-publish = {id = "io.github.gradle-nexus.publish-plugin", version = "2.0.0"}