GitHub Actions: remove Fedora Linux from build targets

Author: Lukas955

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        image: ['ubuntu:18.04', 'ubuntu:20.04', 'debian:stretch', 'debian:buster', 'debian:bullseye', 'centos:7', 'centos:8', 'fedora:30', 'fedora:31']
+        image: ['ubuntu:18.04', 'ubuntu:20.04', 'debian:stretch', 'debian:buster', 'debian:bullseye', 'centos:7', 'centos:8']
 
     name: Build on ${{ matrix.image }}
     container: ${{ matrix.image }}

.github/workflows/package.yml

@@ -56,7 +56,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        image: ['centos:7', 'centos:8', 'fedora:30', 'fedora:31']
+        image: ['centos:7', 'centos:8']
 
     name: Build RPMs on ${{ matrix.image }}
     container: ${{ matrix.image }}