ORC-2010: Use IANA Identifier America/Los_Angeles instead of US/Pacific in Java

### What changes were proposed in this pull request?

This PR aims to use `IANA` Identifier `America/Los_Angeles` instead of `US/Pacific` which is removed from `TZDB`.

### Why are the changes needed?

To make Apache ORC code up-to-date with the current `IANA` zone pattern and be robust from the underlying OS changes.

### How was this patch tested?

Pass the CIs.

### Was this patch authored or co-authored using generative AI tooling?

No.

Closes #2418 from dongjoon-hyun/ORC-2010.

Authored-by: Dongjoon Hyun <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>
(cherry picked from commit 2c023ef)
Signed-off-by: Dongjoon Hyun <[email protected]>

Author: dongjoon-hyun

java/pom.xml

@@ -700,7 +700,7 @@
           <reuseForks>false</reuseForks>
           <argLine>-Xmx2048m -XX:+IgnoreUnrecognizedVMOptions --add-opens=java.base/java.nio=ALL-UNNAMED --add-opens=java.security.jgss/sun.security.krb5=ALL-UNNAMED</argLine>
           <environmentVariables>
-            <TZ>US/Pacific</TZ>
+            <TZ>America/Los_Angeles</TZ>
             <LANG>en_US.UTF-8</LANG>
           </environmentVariables>
           <useSystemClassLoader>false</useSystemClassLoader>

java/tools/src/test/resources/orc-file-dump-column-type.out

@@ -58,7 +58,7 @@ File Statistics:
   Column 14: count: 2048 hasNull: false bytesOnDisk: 1277 min: 10000 max: 9999  sum: 10240
 
 Stripes:
-  Stripe: offset: 3 data: 15540 rows: 2048 tail: 225 index: 464
+  Stripe: offset: 3 data: 15540 rows: 2048 tail: 238 index: 464
     Stream: column 0 section ROW_INDEX start: 3 length 12
     Stream: column 1 section ROW_INDEX start: 15 length 24
     Stream: column 2 section ROW_INDEX start: 39 length 28