Update ubuntu version in GitHub Actions

Author: GromNaN

.github/workflows/continuous-integration.yml

@@ -13,7 +13,7 @@ env:
 jobs:
   phpunit:
     name: "PHPUnit"
-    runs-on: "ubuntu-20.04"
+    runs-on: "ubuntu-22.04"
 
     strategy:
       fail-fast: false

.github/workflows/documentation.yml

@@ -17,7 +17,7 @@ on:
 jobs:
   validate-with-guides:
     name: "Validate documentation with phpDocumentor/guides"
-    runs-on: "ubuntu-22.04"
+    runs-on: "ubuntu-24.04"
 
     steps:
       - name: "Checkout code"

.github/workflows/performance.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   performance-tests:
     name: "Performance Tests"
-    runs-on: "ubuntu-22.04"
+    runs-on: "ubuntu-24.04"
 
     strategy:
       matrix:

.github/workflows/static-analysis.yml

@@ -11,7 +11,7 @@ on:
 jobs:
   static-analysis-phpstan:
     name: "Static Analysis with PHPStan"
-    runs-on: "ubuntu-22.04"
+    runs-on: "ubuntu-24.04"
 
     strategy:
       matrix: