Bump cabal-version

For `Cabal`, `Cabal-syntax`, `Cabal-hooks`, `cabal-install, and
`cabal-install-solver`.

Our support window for `cabal-version` is five years.
3.0 uses SPDX License List version 3.6 2019-07-10
3.4 uses SPDX License List version 3.9 2020-05-15

Author: ffaf1

Cabal-hooks/Cabal-hooks.cabal

@@ -1,4 +1,4 @@
-cabal-version: 2.2
+cabal-version: 3.4
 name:          Cabal-hooks
 version:       3.16
 copyright:     2023, Cabal Development Team

Cabal-syntax/Cabal-syntax.cabal

@@ -1,4 +1,4 @@
-cabal-version: 2.2
+cabal-version: 3.4
 name:          Cabal-syntax
 version:       3.15.0.0
 copyright:     2003-2024, Cabal Development Team (see AUTHORS file)

Cabal/Cabal.cabal

@@ -1,4 +1,4 @@
-cabal-version: 3.0
+cabal-version: 3.4
 name:          Cabal
 version:       3.15.0.0
 copyright:     2003-2024, Cabal Development Team (see AUTHORS file)

cabal-install-solver/cabal-install-solver.cabal

@@ -1,4 +1,4 @@
-cabal-version: 2.2
+cabal-version: 3.4
 name:          cabal-install-solver
 version:       3.15.0.0
 synopsis:      The solver component of cabal-install

cabal-install/cabal-install.cabal

@@ -1,4 +1,4 @@
-Cabal-Version:      3.0
+Cabal-Version:      3.4
 
 Name:               cabal-install
 Version:            3.15.0.0