docs: add 54.1.0 changelog to main (#2271)

Author: andygrove

docs/source/changelog/54.1.0.md

@@ -0,0 +1,50 @@
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+
+# Apache DataFusion Ballista 54.1.0 Changelog
+
+This release consists of 10 commits from 3 contributors. See credits at the end of this changelog for more information.
+
+**Fixed bugs:**
+
+- fix: [branch-54] disable the SortMergeJoinExec broadcast conversion by default [#2130](https://github.com/apache/datafusion-ballista/pull/2130) (andygrove)
+- fix: [branch-54] map a task's partition through UnionExec when restricting file scans (backport of #2070) [#2131](https://github.com/apache/datafusion-ballista/pull/2131) (andygrove)
+- fix: [branch-54] keep EmptyExec partition count intact across stage serialization (backport of #2062) [#2132](https://github.com/apache/datafusion-ballista/pull/2132) (andygrove)
+- fix: [branch-54] send the shutdown notification before dropping the notifier (backport of #2107) [#2237](https://github.com/apache/datafusion-ballista/pull/2237) (sandugood)
+- fix: [branch-54] bind the gRPC listener before registering with the scheduler (backport of #2225) [#2236](https://github.com/apache/datafusion-ballista/pull/2236) (andygrove)
+- fix: [branch-54] keep GROUP BY-less aggregates when propagating empty stages (backport of #2194) [#2235](https://github.com/apache/datafusion-ballista/pull/2235) (andygrove)
+- fix: [branch-54] spill sort shuffle writer when the memory pool rejects a reservation grow (backport of #2061) [#2238](https://github.com/apache/datafusion-ballista/pull/2238) (andygrove)
+- fix: [branch-54] enable the executor client pool by default (backport of #2069) [#2234](https://github.com/apache/datafusion-ballista/pull/2234) (andygrove)
+- fix: [branch-54] see through Shared wrapper when classifying task IO errors (backport of #2119) [#2239](https://github.com/apache/datafusion-ballista/pull/2239) (goingforstudying-ctrl)
+
+**Other:**
+
+- chore: [branch-54] upgrade DataFusion to 54.1.0 and bump Ballista version to 54.1.0 [#2127](https://github.com/apache/datafusion-ballista/pull/2127) (andygrove)
+
+## Credits
+
+Thank you to everyone who contributed to this release. Here is a breakdown of commits (PRs merged) per contributor.
+
+```
+     8	Andy Grove
+     1	sandugood
+     1	goingforstudying-ctrl
+```
+
+Thank you also to everyone who contributed in other ways such as filing issues, reviewing PRs, and providing feedback on this release.

docs/source/changelog/index.md

@@ -24,6 +24,7 @@ Per-release change logs for Apache DataFusion Ballista.
 ```{toctree}
 :maxdepth: 1
 
+54.1.0
 54.0.0
 53.0.0
 52.0.0