[KYUUBI #5561][FOLLOWUP] Rename folder to db-scripts

### _Why are the changes needed?_

Minor, just rename a folder.

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/master/contributing/code/testing.html#running-tests) locally before make a pull request

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

No

Closes #5598 from pan3793/db-scripts.

Closes #5561

17cdd66 [Cheng Pan] [KYUUBI #5561][FOLLOWUP] Rename folder to db-scripts

Authored-by: Cheng Pan <[email protected]>
Signed-off-by: Cheng Pan <[email protected]>

build/dist

@@ -249,7 +249,7 @@ mkdir -p "$DISTDIR/pid"
 mkdir -p "$DISTDIR/logs"
 mkdir -p "$DISTDIR/work"
 mkdir -p "$DISTDIR/jars"
-mkdir -p "$DISTDIR/db-schema"
+mkdir -p "$DISTDIR/db-scripts"
 mkdir -p "$DISTDIR/beeline-jars"
 mkdir -p "$DISTDIR/web-ui"
 mkdir -p "$DISTDIR/externals/engines/flink"
@@ -271,8 +271,8 @@ echo "Build flags: $@" >> "$DISTDIR/RELEASE"
 # Copy kyuubi server jars
 cp -r "$KYUUBI_HOME"/kyuubi-assembly/target/scala-$SCALA_VERSION/jars/*.jar "$DISTDIR/jars/"
 
-# Copy kyuubi metadata sql
-cp -r "$KYUUBI_HOME"/kyuubi-server/src/main/resources/sql/* "$DISTDIR/db-schema/"
+# Copy kyuubi database scripts
+cp -r "$KYUUBI_HOME"/kyuubi-server/src/main/resources/sql/* "$DISTDIR/db-scripts/"
 
 # Copy kyuubi beeline jars
 cp "$KYUUBI_HOME"/kyuubi-hive-beeline/target/*.jar "$DISTDIR/beeline-jars/"