Update Arrow Core Library to 2.1.2

Author: J.D. Satlin

pom.xml

@@ -28,7 +28,7 @@
         <java.version>17</java.version>
         <assertj-core.version>3.26.3</assertj-core.version>
         <kotlin-stdlib.version>2.0.21</kotlin-stdlib.version>
-        <arrow-core.version>1.2.4</arrow-core.version>
+        <arrow-core.version>2.1.2</arrow-core.version>
         <junit-jupiter.version>5.11.3</junit-jupiter.version>
         <dokka-maven-plugin.version>1.9.0</dokka-maven-plugin.version>
         <maven-surefire-plugin.version>3.5.2</maven-surefire-plugin.version>