[KYUUBI #2839] Refactor changelog

### _Why are the changes needed?_

refactor the changelog script to fix:
- the nit of Apache Kyuubi(Incubating)
- the format of the output changelog

### _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.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #2839 from ulysses-you/changelog.

Closes #2839

d9e2b6d [ulysses-you] comments
b966dc3 [ulysses-you] comments
5f94c52 [ulysses-you] refactor
18cdde2 [ulysses-you] refactor
009699c [ulysses-you] Merge branch 'master' of https://github.com/apache/incubator-kyuubi into changelog
76419a9 [ulysses-you] fix
1a4090f [ulysses-you] nit
b6154b5 [ulysses-you] changelog

Authored-by: ulysses-you <ulyssesyou18@gmail.com>
Signed-off-by: ulysses-you <ulyssesyou@apache.org>

build/release/generate_changelog.sh

@@ -49,6 +49,7 @@ if [ "${LAST_RELEASE_TAG}" = "-h" ]; then
 fi
 
 ## Add title for changelog doc.
-echo "## Changelog for Apache Incubating Kyuubi $RELEASE_VERSION  " > $CHANGELOG_PATH
+echo "## Changelog for Apache Kyuubi(Incubating) $RELEASE_VERSION" > $CHANGELOG_PATH
+echo "" >> $CHANGELOG_PATH
 ## Append well-formatted git log to changelog file.
-git log --pretty="- [%s]($KYUUBI_GITHUB_COMMIT_URL%h)  " $LAST_RELEASE_TAG..$CURRENT_RELEASE_TAG | grep -v "\[RELEASE\]" >> $CHANGELOG_PATH
+git log --pretty="[%s]($KYUUBI_GITHUB_COMMIT_URL%h)  " $LAST_RELEASE_TAG..$CURRENT_RELEASE_TAG | grep -v "\[RELEASE\]" >> $CHANGELOG_PATH

docs/changelog/v1.5.1-incubating.md

@@ -1,10 +1,11 @@
-## Changelog for Apache Incubating Kyuubi v1.5.1-incubating  
-- [[KYUUBI #2354] Fix NPE in process builder log capture thread](https://github.com/apache/incubator-kyuubi/commit/5e76334)  
-- [[KYUUBI #2296] Fix operation log file handler leak](https://github.com/apache/incubator-kyuubi/commit/809ea2a)  
-- [[KYUUBI #2266] The default value of frontend.connection.url.use.hostname should be set to true to be consistent with previous versions](https://github.com/apache/incubator-kyuubi/commit/d3e25f0)  
-- [[KYUUBI #2255]The engine state of Spark's EngineEvent is hardcoded with 0](https://github.com/apache/incubator-kyuubi/commit/2af8bbb)  
-- [[KYUUBI #2008][FOLLOWUP] Support engine type and subdomain in kyuubi-ctl](https://github.com/apache/incubator-kyuubi/commit/d1a2dda)  
-- [[KYUUBI #2156][FOLLOWUP] Fix configuration format in document](https://github.com/apache/incubator-kyuubi/commit/5225b54)  
-- [[KYUUBI #2156] Change log to reflect exactly why getting token failed](https://github.com/apache/incubator-kyuubi/commit/21ca754)  
-- [[KYUUBI #2134] Respect Spark bundled log4j in extension modules](https://github.com/apache/incubator-kyuubi/commit/30dc84b)  
-- [[KYUUBI #2150] [DOCS] Fix Getting Started With Kyuubi on Kubernetes](https://github.com/apache/incubator-kyuubi/commit/e232a83)  
+## Changelog for Apache Kyuubi(Incubating) v1.5.1-incubating
+
+[[KYUUBI #2354] Fix NPE in process builder log capture thread](https://github.com/apache/incubator-kyuubi/commit/5e76334e)  
+[[KYUUBI #2296] Fix operation log file handler leak](https://github.com/apache/incubator-kyuubi/commit/809ea2a6)  
+[[KYUUBI #2266] The default value of frontend.connection.url.use.hostname should be set to true to be consistent with previous versions](https://github.com/apache/incubator-kyuubi/commit/d3e25f08)  
+[[KYUUBI #2255]The engine state of Spark's EngineEvent is hardcoded with 0](https://github.com/apache/incubator-kyuubi/commit/2af8bbb4)  
+[[KYUUBI #2008][FOLLOWUP] Support engine type and subdomain in kyuubi-ctl](https://github.com/apache/incubator-kyuubi/commit/d1a2dda0)  
+[[KYUUBI #2156][FOLLOWUP] Fix configuration format in document](https://github.com/apache/incubator-kyuubi/commit/5225b540)  
+[[KYUUBI #2156] Change log to reflect exactly why getting token failed](https://github.com/apache/incubator-kyuubi/commit/21ca7540)  
+[[KYUUBI #2134] Respect Spark bundled log4j in extension modules](https://github.com/apache/incubator-kyuubi/commit/30dc84b5)  
+[[KYUUBI #2150] [DOCS] Fix Getting Started With Kyuubi on Kubernetes](https://github.com/apache/incubator-kyuubi/commit/e232a83a)