chore(deps): update dependency ubuntu to v26

.github/workflows/conventional-commits.yml

@@ -12,7 +12,7 @@ permissions:
 jobs:
   pr-title:
     name: PR Title
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: amannn/action-semantic-pull-request@48f256284bd46cdaab1048c3721360e808335d50 # v6
         env:
@@ -32,7 +32,7 @@ jobs:
 
   commitlint:
     name: Commit Messages
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:

.github/workflows/flake-closure-diff.yml

@@ -33,7 +33,7 @@ permissions:
 jobs:
   closure-diff:
     name: Diff flake closures
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:

.github/workflows/issues-add-labels.yaml

@@ -15,7 +15,7 @@ on:
   workflow_call:
 jobs:
   label_issues:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     # `gh issue edit` needs issues:write and nothing else — no checkout, no
     # other API surface.
     permissions:

.github/workflows/issues-add-to-project.yml

@@ -20,7 +20,7 @@ on:
 jobs:
   add-to-project:
     name: Add issue to project
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     # Authenticates with ADD_TO_PROJECT_PAT, so the workflow GITHUB_TOKEN needs no scopes.
     permissions: {}
     steps:

.github/workflows/lint.yml

@@ -11,7 +11,7 @@ on:
 
 jobs:
   lint:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     defaults:
       run:
         shell: nix develop --command bash -e {0}

.github/workflows/release-drafter.yaml

@@ -25,7 +25,7 @@ jobs:
       # write permission is required for autolabeler
       # otherwise, read permission is required at least
       pull-requests: write
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       # (Optional) GitHub Enterprise requires GHE_HOST variable set
       #- name: Set GHE_HOST

.github/workflows/renovate-auto-approve.yml

@@ -60,7 +60,7 @@ concurrency:
 
 jobs:
   auto-approve:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     if: >-
       github.event_name == 'pull_request' &&
       github.event.pull_request.user.login == inputs.renovate-actor &&

.github/workflows/renovate-dev-kit-lock.yml

@@ -47,7 +47,7 @@ jobs:
        github.event.pull_request.head.ref == inputs.go-branch) &&
       github.event.pull_request.head.repo.full_name == github.repository &&
       github.event.pull_request.user.login == inputs.renovate-actor
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     concurrency:
       group: renovate-dev-kit-lock-${{ github.event.pull_request.number }}
       cancel-in-progress: true

.github/workflows/test-actions.yml

@@ -33,15 +33,15 @@ permissions:
 
 jobs:
   shellcheck:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - name: Run ShellCheck on action and dev-kit scripts
         run: shellcheck .github/actions/*/*.sh scripts/*.sh
 
   test-scripts:
     needs: shellcheck
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - name: Test verify-clean.sh
@@ -62,7 +62,7 @@ jobs:
   # both steps run through it.
   workflow-permissions:
     needs: shellcheck
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - name: Set up nix with the shared Cachix cache
@@ -78,7 +78,7 @@ jobs:
         run: nix develop --command scripts/check-reusable-permissions.sh
   test-setup-nix:
     needs: shellcheck
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - name: Set up nix with the shared Cachix cache

.github/workflows/update-action-pins.yml

@@ -16,7 +16,7 @@ on:
 jobs:
   check-pins:
     name: Check action pins
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with: