Rename Git Commit ID Plugin to match its renamed artifact

This commit renames the library from Git Commit ID Plugin to Git
Commit ID Maven Plugin. This will result in the name of the version
property that can be used to override Boot's plugin management
changing from git-commit-id-plugin.version to
git-commit-id-maven-plugin.version

Closes gh-34397

spring-boot-project/spring-boot-dependencies/build.gradle

@@ -263,7 +263,7 @@ bom {
 			]
 		}
 	}
-	library("Git Commit ID Plugin", "5.0.0") {
+	library("Git Commit ID Maven Plugin", "5.0.0") {
 		group("io.github.git-commit-id") {
 			plugins = [
 				"git-commit-id-maven-plugin"