Specify a version for the runners instead of using the latest.

Author: dlemstra

.github/workflows/daily.yml

@@ -17,7 +17,7 @@ name: daily
 jobs:
   change_log:
     name: 'Create ChangeLog.md'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
     - name: Checkout
@@ -46,7 +46,7 @@ jobs:
     name: 'Linux Q${{matrix.quantum}}-x64 hdri=${{matrix.hdri}} (${{matrix.modules}})'
     container:
       image: ubuntu:20.04
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     strategy:
       fail-fast: false

.github/workflows/main.yml

@@ -124,7 +124,7 @@ jobs:
 
   build_msys2:
     name: Build MSYS2
-    runs-on: windows-latest
+    runs-on: windows-2022
 
     steps:
     - name: Prepare git

.github/workflows/windows-release.yml

@@ -19,7 +19,7 @@ name: windows release
 jobs:
   change_log:
     name: Create ChangeLog.md
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
     - name: Checkout
@@ -195,7 +195,7 @@ jobs:
     name: Windows source
     needs:
       - change_log
-    runs-on: windows-latest
+    runs-on: windows-2022
 
     steps:
     - name: Clone ImageMagick/Windows