doc: ci: Zephyr now requires Python 3.10 or higher

Update getting started guide, release notes, and CI actions to
use Python 3.10 as minimum supported version.

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>

.github/workflows/devicetree_checks.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         os: [ubuntu-22.04, macos-11, windows-2022]
         exclude:
         - os: macos-11

.github/workflows/pylib_tests.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         os: [ubuntu-22.04]
     steps:
     - name: checkout

.github/workflows/scripts_tests.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         os: [ubuntu-20.04]
     steps:
       - name: checkout

.github/workflows/twister_tests.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         os: [ubuntu-22.04]
     steps:
     - name: checkout

.github/workflows/twister_tests_blackbox.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         os: [ubuntu-22.04]
     container:
       image: ghcr.io/zephyrproject-rtos/ci:v0.26.11

.github/workflows/west_cmds.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
         os: [ubuntu-22.04, macos-11, windows-2022]
         exclude:
         - os: macos-11

doc/develop/getting_started/index.rst

@@ -61,7 +61,7 @@ The current minimum required version for the main dependencies are:
      - 3.20.5
 
    * - `Python <https://www.python.org/>`_
-     - 3.8
+     - 3.10
 
    * - `Devicetree compiler <https://www.devicetree.org/>`_
      - 1.4.6

doc/releases/release-notes-3.7.rst

@@ -12,6 +12,7 @@ Major enhancements with this release include:
 * A new, completely overhauled hardware model has been introduced. This changes
   the way both SoCs and boards are named, defined and constructed in Zephyr.
   Additional information can be found in the :ref:`board_porting_guide`.
+* Zephyr now requires Python 3.10 or higher
 
 An overview of the changes required or recommended when migrating your application from Zephyr
 v3.6.0 to Zephyr v3.7.0 can be found in the separate :ref:`migration guide<migration_3.7>`.