Bump maven-enforcer-plugin from 3.0.0-M2 to 3.0.0-M3 in /spi-fly

Bumps [maven-enforcer-plugin](https://github.com/apache/maven-enforcer) from 3.0.0-M2 to 3.0.0-M3.
- [Release notes](https://github.com/apache/maven-enforcer/releases)
- [Commits](https://github.com/apache/maven-enforcer/compare/enforcer-3.0.0-M2...enforcer-3.0.0-M3)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/spi-fly/pom.xml b/spi-fly/pom.xml
index 154349a..a8fe551 100644
--- a/spi-fly/pom.xml
+++ b/spi-fly/pom.xml
@@ -109,7 +109,7 @@
                 </plugin>
                 <plugin>
                     <artifactId>maven-enforcer-plugin</artifactId>
-                    <version>3.0.0-M2</version>
+                    <version>3.0.0-M3</version>
                 </plugin>
                 <plugin>
                     <artifactId>maven-surefire-plugin</artifactId>