Add fedora 31 to runtime ci

.gitlab-ci.yml

@@ -277,6 +277,10 @@ build_tapasco_fedora_30:
   image: fedora:30
   extends: .build_tapasco_fedora
 
+build_tapasco_fedora_31:
+  image: fedora:31
+  extends: .build_tapasco_fedora
+
 build_tapasco_fedora_26_debug:
   variables:
     MODE: "debug"
@@ -307,6 +311,12 @@ build_tapasco_fedora_30_debug:
   image: fedora:30
   extends: .build_tapasco_fedora
 
+build_tapasco_fedora_31_debug:
+  variables:
+    MODE: "debug"
+  image: fedora:31
+  extends: .build_tapasco_fedora
+
 .build_tapasco_ubuntu:
   before_script:
     - apt-get -y update && apt-get -y install build-essential linux-headers-generic python cmake libelf-dev libncurses-dev git rpm