[PATCH] ci: switch testing to Fedora 42 in GHA

[David Marchand]

Fedora 39 is EOL for some time.
Switch to Fedora 42 which will be maintained for a year (until May 2026).

Signed-off-by: David Marchand <david.marchand at redhat.com>
---
 .github/workflows/build.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6f153ab681..cd8f0e2c6f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -234,7 +234,7 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - image: fedora:39
+          - image: fedora:42
 
     steps:
     - name: Generate various keys
@@ -283,9 +283,9 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - image: fedora:39
+          - image: fedora:42
             compiler: gcc
-          - image: fedora:39
+          - image: fedora:42
             compiler: clang
 
     steps:
-- 
2.51.0