[SPARK-29666][BUILD] Fix the publish release failure under dry-run mode

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

`release-build.sh` fail to publish release under dry run mode with the following error message:
```
/opt/spark-rm/release-build.sh: line 429: pushd: spark-repo-g4MBm/org/apache/spark: No such file or directory
```

We need to at least run the `mvn clean install` command once to create the `$tmp_repo` path, but now those steps are all skipped under dry-run mode. This PR fixes the issue.

### How was this patch tested?

Tested locally.

Closes #26329 from jiangxb1987/dryrun.

Authored-by: Xingbo Jiang <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>

Author: jiangxb1987

dev/create-release/release-build.sh

@@ -414,13 +414,13 @@ if [[ "$1" == "publish-release" ]]; then
 
   # TODO: revisit for Scala 2.13 support
 
-  if ! is_dry_run && [[ $PUBLISH_SCALA_2_11 = 1 ]]; then
+  if [[ $PUBLISH_SCALA_2_11 = 1 ]]; then
     ./dev/change-scala-version.sh 2.11
     $MVN -DzincPort=$ZINC_PORT -Dmaven.repo.local=$tmp_repo -DskipTests \
       $SCALA_2_11_PROFILES $PUBLISH_PROFILES clean install
   fi
 
-  if ! is_dry_run && [[ $PUBLISH_SCALA_2_12 = 1 ]]; then
+  if [[ $PUBLISH_SCALA_2_12 = 1 ]]; then
     ./dev/change-scala-version.sh 2.12
     $MVN -DzincPort=$((ZINC_PORT + 2)) -Dmaven.repo.local=$tmp_repo -DskipTests \
       $SCALA_2_11_PROFILES $PUBLISH_PROFILES clean install