Update Maven plugins (opentripplanner#6880)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -108,7 +108,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-shade-plugin</artifactId>
-                    <version>3.6.0</version>
+                    <version>3.6.1</version>
                 </plugin>
                 <plugin>
                     <groupId>com.hubspot.maven.plugins</groupId>
@@ -126,7 +126,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.14.0</version>
+                <version>3.14.1</version>
                 <configuration>
                     <!-- Target Java version -->
                     <release>21</release>