Sign repos with gpg via gha profile

eclipse-language-servers/org.springframework.tooling.ls.integration.repository/pom.xml

@@ -94,4 +94,26 @@
 			</plugin>
 		</plugins>
 	</build>
+
+	<profiles>
+		<profile>
+			<id>gitactions</id>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.eclipse.tycho</groupId>
+						<artifactId>tycho-gpg-plugin</artifactId>
+						<executions>
+							<execution>
+								<goals>
+									<goal>sign-p2-artifacts</goal>
+								</goals>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
+	</profiles>
+
 </project>