CI: update to Ubuntu 24.04

Author: ForNeVeR

.github/workflows/docker.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   push:
-    runs-on: 'ubuntu-20.04'
+    runs-on: 'ubuntu-24.04'
     steps:
       - uses: actions/checkout@v2
 

.github/workflows/main.yml

@@ -13,7 +13,9 @@ jobs:
     runs-on: ${{ matrix.image }}
     strategy:
       matrix:
-        image: [ ubuntu-20.04, windows-2019 ]
+        image:
+          - ubuntu-24.04
+          - windows-2019
     steps:
       - uses: actions/checkout@v2
       - name: SBT Cache

.github/workflows/test.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     services:
       postgres: