Apply Gradle fileMode and dirMode consistently in jar and war archives

Fixes gh-37496

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/BootJarIntegrationTests-dirModeAndFileModeAreApplied.gradle

@@ -0,0 +1,10 @@
+plugins {
+	id 'java'
+	id 'org.springframework.boot' version '{version}'
+}
+
+tasks.named("bootJar") {
+	fileMode = 0400
+	dirMode = 0500
+	mainClass = 'com.example.Application'
+}

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/resources/org/springframework/boot/gradle/tasks/bundling/BootWarIntegrationTests-dirModeAndFileModeAreApplied.gradle

@@ -0,0 +1,10 @@
+plugins {
+	id 'war'
+	id 'org.springframework.boot' version '{version}'
+}
+
+tasks.named("bootWar") {
+	fileMode = 0400
+	dirMode = 0500
+	mainClass = 'com.example.Application'
+}