fix: missing common lang dep (#1216)

Signed-off-by: Todd Baert <[email protected]>

Author: toddbaert

providers/flagd/pom.xml

@@ -113,6 +113,12 @@
             <version>4.4</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.17.0</version>
+        </dependency>
+
         <dependency>
             <groupId>io.opentelemetry</groupId>
             <artifactId>opentelemetry-api</artifactId>