refactor: Common static analysis issues

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Co-authored-by: Moderne <team@moderne.io>

src/test/java/org/openrewrite/java/logging/log4j/Slf4jToLog4jTest.java

@@ -204,7 +204,7 @@ void mavenPom() {
                               </dependency>
                           </dependencies>
                       </project>
-                      """, versions.size() > 0 ? versions.get(0) : "", versions.size() > 1 ? versions.get(1) : "");
+                      """, versions.isEmpty() ? "" : versions.get(0), versions.size() > 1 ? versions.get(1) : "");
                 }
               )
             )