Update ci os (#964)

* concepts.wip exercises changed to deprecated

* Revert "concepts.wip exercises changed to deprecated"

This reverts commit 28f91a8.

* Change annelyns-infiltration slug for old version

* Revert "Change annelyns-infiltration slug for old version"

This reverts commit 09dfe5d.

* Updates OS versions in workflows

---------

Co-authored-by: Colin Leach <[email protected]>

Author: colinleach

.github/workflows/auto-rebase.yml

@@ -6,7 +6,7 @@ jobs:
   rebase:
     name: Rebase
     if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/rebase')
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
     - name: Automatic Rebase

.github/workflows/exercise-tests.yml

@@ -23,7 +23,7 @@ jobs:
       fail-fast: false
       matrix:
         julia-version: ["1.10", "1.11", nightly]
-        os: [ubuntu-22.04, windows-2022, macos-14]
+        os: [ubuntu-24.04, windows-2025, macos-15]
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
@@ -42,7 +42,7 @@ jobs:
 
   test-runner:
     name: Julia Test Runner
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683