Wrap gradle catalog+platform logic in a profile

We don't want it being triggered in downstream projects that
extend pom-scijava -- only in the pom-scijava build itself.

Author: ctrueden

pom.xml

@@ -6820,57 +6820,68 @@
 			</dependency>
 		</dependencies>
 	</dependencyManagement>
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.codehaus.mojo</groupId>
-				<artifactId>exec-maven-plugin</artifactId>
-				<executions>
-					<execution>
-						<id>generate-gradle-catalog-and-platform</id>
-						<phase>generate-sources</phase>
-						<goals>
-							<!-- https://www.mojohaus.org/exec-maven-plugin/exec-mojo.html -->
-							<goal>exec</goal>
-						</goals>
-						<configuration>
-							<executable>./gradlew</executable>
-							<workingDirectory>${basedir}/gradle-scijava</workingDirectory>
-							<arguments>
-								<argument>--project-cache-dir</argument>
-								<argument>../target/gradle/build</argument>
-								<argument>generateCatalogAndPlatform</argument>
-							</arguments>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
-			<plugin>
-				<groupId>org.codehaus.mojo</groupId>
-				<artifactId>build-helper-maven-plugin</artifactId>
-				<executions>
-					<execution>
-						<id>attach-gradle-catalog-and-platform</id>
-						<goals>
-							<!-- https://www.mojohaus.org/build-helper-maven-plugin/attach-artifact-mojo.html -->
-							<goal>attach-artifact</goal>
-						</goals>
-						<configuration>
-							<artifacts>
-								<artifact>
-									<file>target/gradle/version-catalog/libs.versions.toml</file>
-									<type>toml</type>
-								</artifact>
-								<artifact>
-									<file>target/gradle/publications/pomScijava/module.json</file>
-									<!-- it should be published with the `.module` extension -->
-									<type>module</type>
-								</artifact>
-							</artifacts>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
-		</plugins>
-	</build>
+
+	<profiles>
+		<profile>
+			<id>scijava-gradle-catalog-and-platform</id>
+			<activation>
+				<file>
+					<exists>${basedir}/gradle-scijava</exists>
+				</file>
+			</activation>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.codehaus.mojo</groupId>
+						<artifactId>exec-maven-plugin</artifactId>
+						<executions>
+							<execution>
+								<id>generate-gradle-catalog-and-platform</id>
+								<phase>generate-sources</phase>
+								<goals>
+									<!-- https://www.mojohaus.org/exec-maven-plugin/exec-mojo.html -->
+									<goal>exec</goal>
+								</goals>
+								<configuration>
+									<executable>./gradlew</executable>
+									<workingDirectory>${basedir}/gradle-scijava</workingDirectory>
+									<arguments>
+										<argument>--project-cache-dir</argument>
+										<argument>../target/gradle/build</argument>
+										<argument>generateCatalogAndPlatform</argument>
+									</arguments>
+								</configuration>
+							</execution>
+						</executions>
+					</plugin>
+					<plugin>
+						<groupId>org.codehaus.mojo</groupId>
+						<artifactId>build-helper-maven-plugin</artifactId>
+						<executions>
+							<execution>
+								<id>attach-gradle-catalog-and-platform</id>
+								<goals>
+									<!-- https://www.mojohaus.org/build-helper-maven-plugin/attach-artifact-mojo.html -->
+									<goal>attach-artifact</goal>
+								</goals>
+								<configuration>
+									<artifacts>
+										<artifact>
+											<file>target/gradle/version-catalog/libs.versions.toml</file>
+											<type>toml</type>
+										</artifact>
+										<artifact>
+											<file>target/gradle/publications/pomScijava/module.json</file>
+											<!-- it should be published with the `.module` extension -->
+											<type>module</type>
+										</artifact>
+									</artifacts>
+								</configuration>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
+	</profiles>
 </project>