[SPARK-30812][SQL] update the skew join configs by adding the prefix "skewedJoinOptimization"

### What changes were proposed in this pull request?
This is a follow up in [PR#27563](apache#27563).
This PR adds the prefix of "skewedJoinOptimization" in the skew join related configs.

### Why are the changes needed?
address remaining address

### Does this PR introduce any user-facing change?
No

### How was this patch tested?
only update config and no need new ut.

Closes apache#27630 from JkSelf/renameskewjoinconfig.

Authored-by: jiake <[email protected]>
Signed-off-by: Wenchen Fan <[email protected]>

Author: JkSelf

sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala

@@ -432,22 +432,22 @@ object SQLConf {
     .createWithDefault(true)
 
   val ADAPTIVE_EXECUTION_SKEWED_PARTITION_SIZE_THRESHOLD =
-    buildConf("spark.sql.adaptive.optimizeSkewedJoin.skewedPartitionSizeThreshold")
+    buildConf("spark.sql.adaptive.skewedJoinOptimization.skewedPartitionSizeThreshold")
       .doc("Configures the minimum size in bytes for a partition that is considered as a skewed " +
         "partition in adaptive skewed join.")
       .bytesConf(ByteUnit.BYTE)
       .createWithDefaultString("64MB")
 
   val ADAPTIVE_EXECUTION_SKEWED_PARTITION_FACTOR =
-    buildConf("spark.sql.adaptive.optimizeSkewedJoin.skewedPartitionFactor")
+    buildConf("spark.sql.adaptive.skewedJoinOptimization.skewedPartitionFactor")
       .doc("A partition is considered as a skewed partition if its size is larger than" +
         " this factor multiple the median partition size and also larger than " +
         s" ${ADAPTIVE_EXECUTION_SKEWED_PARTITION_SIZE_THRESHOLD.key}")
       .intConf
       .createWithDefault(10)
 
   val ADAPTIVE_EXECUTION_SKEWED_PARTITION_MAX_SPLITS =
-    buildConf("spark.sql.adaptive.optimizeSkewedJoin.skewedPartitionMaxSplits")
+    buildConf("spark.sql.adaptive.skewedJoinOptimization.skewedPartitionMaxSplits")
       .doc("Configures the maximum number of task to handle a skewed partition in adaptive skewed" +
         "join.")
       .intConf