Drop Fedora 39 support

Drop Fedora 39 support by removing it from our CI and installation
instructions.

Closes #999

.github/workflows/build.yml

@@ -43,8 +43,6 @@ jobs:
             version: bookworm
           - distro: debian
             version: trixie
-          - distro: fedora
-            version: "39"
           - distro: fedora
             version: "40"
           - distro: fedora

.github/workflows/ci.yml

@@ -277,7 +277,7 @@ jobs:
     strategy:
       matrix:
         distro: ["fedora"]
-        version: ["39", "40", "41"]
+        version: ["40", "41"]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -356,8 +356,6 @@ jobs:
             version: bookworm
           - distro: debian
             version: trixie
-          - distro: fedora
-            version: "39"
           - distro: fedora
             version: "40"
           - distro: fedora

CHANGELOG.md

@@ -7,6 +7,10 @@ since 0.4.1, and this project adheres to [Semantic Versioning](https://semver.or
 
 ## [Unreleased](https://github.com/freedomofpress/dangerzone/compare/v0.8.0...HEAD)
 
+### Removed
+
+- Platform support: Drop support for Fedora 39, since it's end-of-life ([#999](https://github.com/freedomofpress/dangerzone/pull/999))
+
 ## [0.8.0](https://github.com/freedomofpress/dangerzone/compare/v0.8.0...0.7.1)
 
 ### Added

INSTALL.md

@@ -18,7 +18,6 @@ Dangerzone is available for:
 - Debian 11 (bullseye)
 - Fedora 41
 - Fedora 40
-- Fedora 39
 - Tails
 - Qubes OS (beta support)
 

dev_scripts/qa.py

@@ -1009,10 +1009,6 @@ class QAFedora40(QAFedora):
     VERSION = "40"
 
 
-class QAFedora39(QAFedora):
-    VERSION = "39"
-
-
 def parse_args():
     parser = argparse.ArgumentParser(
         prog=sys.argv[0],