ci: Replace ubuntu-latest with ubuntu-slim in lightweight workflow runners (#7126)

* Initial plan

* Replace ubuntu-latest with ubuntu-slim in safe workflows

Co-authored-by: teolemon <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: teolemon <[email protected]>

Author: Copilot

.github/workflows/auto-assign-pr.yml

@@ -14,7 +14,7 @@ permissions:
 
 jobs:
   assign-author:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: toshimaru/[email protected]
 

.github/workflows/crowdin.yml

@@ -9,7 +9,7 @@ on:
     branches: [ crowdin-trigger ]
 jobs:
   synchronize-with-crowdin:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
 
     steps:
 

.github/workflows/dartdoc.yml

@@ -9,7 +9,7 @@ on:
 jobs:
     deploy-pages:
         name: Deploy to GitHub Pages
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-slim
         defaults:
           run:
             working-directory: ./packages/smooth_app

.github/workflows/github-projects-ventilation.yml

@@ -25,7 +25,7 @@ on:
 jobs:
   add-to-project:
     name: Add issues to the relevant GitHub projects
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: actions/add-to-project@main
         with:

.github/workflows/label.yml

@@ -15,7 +15,7 @@ concurrency:
 
 jobs:
   label:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     #if: github.event.pull_request.head.repo.full_name == github.repository
     #if: ${{ github.repository_owner == 'openfoodfacts' }}
     permissions:

.github/workflows/merge-conflict-autolabel.yml

@@ -13,7 +13,7 @@ on:
 
 jobs:
   main:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - name: Check for merge conflicts
         uses: eps1lon/actions-label-merge-conflict@releases/2.x

.github/workflows/release-please.yml

@@ -10,7 +10,7 @@ env:
 
 jobs:
   release-please:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     if: github.repository_owner == 'openfoodfacts'
     #permissions:
       #contents: read
@@ -44,7 +44,7 @@ jobs:
     concurrency: 
       group: release
       cancel-in-progress: false
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     #permissions:
       #contents: read
       #packages: write

.github/workflows/semantic-pr.yml

@@ -17,7 +17,7 @@ concurrency:
 jobs:
   main:
     name: Validate PR title
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: amannn/action-semantic-pull-request@v6
         env:

.github/workflows/top-issues.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   ShowAndLabelTopIssues:
     name: Display and label top issues.
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     permissions:
       contents: read
       issues: write