Merge pull request #244 from offa/ci

Update CodeQL and system tests to GCC 14

Author: offa

.github/workflows/codeql.yml

@@ -8,7 +8,7 @@ jobs:
   codeql:
     runs-on: ubuntu-latest
     container:
-      image: "registry.gitlab.com/offa/docker-images/gcc:12"
+      image: "registry.gitlab.com/offa/docker-images/gcc:14"
     name: "CodeQL"
     steps:
       - name: Checkout

.github/workflows/systemtest.yml

@@ -13,7 +13,7 @@ jobs:
           - true
           - false
     container:
-      image: "registry.gitlab.com/offa/docker-images/gcc-12:stable"
+      image: "registry.gitlab.com/offa/docker-images/gcc:14"
     services:
       influxdb:
         image: influxdb:${{ matrix.influx_version }}