Pinning ubuntu-24.04 due to old ruby version

Author: glenrobson

.github/workflows/internal.yml

@@ -12,7 +12,7 @@ on:
 
 jobs: # A workflow run is made up of one or more jobs that can run sequentially or in parallel
   build: # This workflow contains a single job called "build"
-    runs-on: ubuntu-latest # The type of runner that the job will run on
+    runs-on: ubuntu-24.04 # The type of runner that the job will run on
     env:
       BUNDLE_WITH: test jekyll_plugins
       SITE_ID:  'api' # which iiif site this is

.github/workflows/linkrot.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   test_linkrot:
-    runs-on: ubuntu-latest # The type of runner that the job will run on
+    runs-on: ubuntu-24.04 # The type of runner that the job will run on
     steps:
       - name: Checkout
         uses: actions/checkout@v6

.github/workflows/live.yml

@@ -12,7 +12,7 @@ on:
 
 jobs: # A workflow run is made up of one or more jobs that can run sequentially or in parallel
   build: # This workflow contains a single job called "build"
-    runs-on: ubuntu-latest # The type of runner that the job will run on
+    runs-on: ubuntu-24.04 # The type of runner that the job will run on
     env:
       BUNDLE_WITH: test jekyll_plugins
       SITE_ID:  'api' # which iiif site this is

.github/workflows/preview.yml

@@ -13,7 +13,7 @@ on:
 
 jobs: # A workflow run is made up of one or more jobs that can run sequentially or in parallel
   build: # This workflow contains a single job called "build"
-    runs-on: ubuntu-latest # The type of runner that the job will run on
+    runs-on: ubuntu-24.04 # The type of runner that the job will run on
     env:
       BUNDLE_WITH: test jekyll_plugins
       SITE_ID:  'api' # which iiif site this is

.github/workflows/validate.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   validate:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     env:
       BUNDLE_WITH: test jekyll_plugins
       SITE_ID:  'cookbook' # which iiif site this is