Update dependencies and logging configuration

- Upgrade `spring-boot-starter-parent` to 4.1.0.
- Extract `eclipse-jgit.version` to properties for consistency.
- Add Hibernate logger to `logback.xml`.

pom.xml

@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>4.0.5</version>
+        <version>4.1.0</version>
         <relativePath />
     </parent>
 
@@ -20,6 +20,8 @@
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <eclipse-jgit.version>7.7.1.202607240634-r</eclipse-jgit.version>
     </properties>
 
     <issueManagement>
@@ -85,7 +87,7 @@
         <dependency>
             <groupId>org.eclipse.jgit</groupId>
             <artifactId>org.eclipse.jgit</artifactId>
-            <version>7.2.1.202505142326-r</version>
+            <version>${eclipse-jgit.version}</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.dataformat</groupId>