Changelogs 3.14 (#10336)

* changelogs for Cabal-3.14 and (incomplete) cabal-install-3.16

* cleanup changelog-d files afer creating the 3.14 changelog

* Apply suggestions from geekosaur

Co-authored-by: brandon s allbery kf8nh <[email protected]>

* Apply more suggestions from geekosaur

* Apply suggestions from geekosaur (contd.)

Co-authored-by: brandon s allbery kf8nh <[email protected]>

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Co-authored-by: brandon s allbery kf8nh <[email protected]>

Author: ulysses4ever

Cabal/ChangeLog.md

@@ -1,3 +1,6 @@
+# 3.14.0.0 [Hécate](mailto:[email protected]) September 2024
+* See https://github.com/haskell/cabal/blob/master/release-notes/Cabal-3.14.0.0.md
+
 # 3.12.1.0 [Artem Pelenitsyn](mailto:[email protected]) June 2024
 * See https://github.com/haskell/cabal/blob/master/release-notes/Cabal-3.12.1.0.md