Update GHA runners to use latest image for most jobs

For jobs which do not require a version matrix, such as some testing
runs, use the latest runner image. Pinning the images unnecessarily
causes more work later on when deciding when to upgrade and may cause
more issues when older images brownout.

Signed-off-by: Derek McGowan <derek@mcg.dev>

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-24.04, ubuntu-24.04-arm, macos-13, windows-2025]
+        os: [ubuntu-latest, ubuntu-24.04-arm, macos-latest, windows-latest]
 
 
     steps:
@@ -40,7 +40,7 @@ jobs:
   #
   project:
     name: Project Checks
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     timeout-minutes: 5
 
     steps:
@@ -68,7 +68,7 @@ jobs:
   #
   protos:
     name: Protobuf
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     timeout-minutes: 5
 
     defaults:
@@ -102,7 +102,7 @@ jobs:
 
   man:
     name: Manpages
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     timeout-minutes: 5
 
     steps:
@@ -116,7 +116,7 @@ jobs:
   crossbuild:
     name: Crossbuild Binaries
     needs: [project, linters, protos, man]
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     timeout-minutes: 10
     strategy:
       fail-fast: false
@@ -524,7 +524,7 @@ jobs:
 
   integration-vagrant:
     name: Vagrant integration
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     timeout-minutes: 60
     needs: [project, linters, protos, man]
 
@@ -612,7 +612,7 @@ jobs:
   tests-cri-in-userns:
     name: "CRI-in-UserNS"
 
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     timeout-minutes: 40
     needs: [project, linters, protos, man]
 
@@ -664,7 +664,7 @@ jobs:
 
   tests-mac-os:
     name: MacOS unit tests
-    runs-on: macos-13
+    runs-on: macos-latest
     timeout-minutes: 10
     needs: [project, linters, protos, man]
     env:

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
   check:
     name: Check Signed Tag
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     timeout-minutes: 5
     outputs:
       stringver: ${{ steps.contentrel.outputs.stringver }}
@@ -64,7 +64,7 @@ jobs:
 
   build:
     name: Build Release Binaries
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     timeout-minutes: 30
     strategy:
       matrix:
@@ -136,7 +136,7 @@ jobs:
       contents: write
       id-token: write
       attestations: write
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     timeout-minutes: 10
     needs: [build, check]
     steps: