chore(cicd): update GitHub actions

Author: MightyCreak

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-          python-version: '3.8'
+          python-version: '3.9'
 
     - name: Install dependencies
       run: |
@@ -46,7 +46,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-          python-version: '3.8'
+          python-version: '3.9'
     # Extra installation since we are not using ubuntu-latest
     - run: apt-get update && apt-get -y install libglib2.0-dev-bin
     - run: apt-get -y install meson appstream desktop-file-utils gettext
@@ -57,13 +57,13 @@ jobs:
   flatpak-build-test:
     runs-on: ubuntu-latest
     container:
-      image: bilelmoussaoui/flatpak-github-actions:gnome-45
+      image: ghcr.io/flathub-infra/flatpak-github-actions:gnome-46
       options: --privileged
     steps:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-          python-version: '3.8'
+          python-version: '3.9'
     - uses: flatpak/flatpak-github-actions/flatpak-builder@v6
       with:
         bundle: "diffuse.flatpak"

CHANGELOG.md

@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Docs: fix incorrect flatpak command to install runtime SDK (@MightyCreak)
 - Update to flatpak's GNOME runtime 46 (@MightyCreak)
+- Update GitHub actions: use Python 3.9 and latest Flatpak image (@MightyCreak)
 
 ## 0.9.0 - 2024-01-13