chore(deps): update dependency ubuntu to v26

Author: renovate[bot]

.github/workflows/debian.yml

@@ -21,7 +21,7 @@ concurrency:
 jobs:
   build-smoke-test:
     timeout-minutes: 30
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     name: ${{ matrix.ghc }}-${{ matrix.deb }}
     strategy:
       fail-fast: false
@@ -80,7 +80,7 @@ jobs:
 
   arm64-tests:
     timeout-minutes: 60
-    runs-on: ubuntu-24.04-arm
+    runs-on: ubuntu-26.04-arm
     name: arm64-${{ matrix.ghc }}-${{ matrix.deb }}
     strategy:
       fail-fast: false

.github/workflows/generator.yml

@@ -11,7 +11,7 @@ on:
 
 jobs:
   generate:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Install Nix

.github/workflows/lint.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   hadolint:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
     - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
     - uses: hadolint/hadolint-action@06be81baf89a55ffd0e24b8f04a4185738dd3387 # v3.5.0