Choose CI runner version explicitly (#197)

Author: erlingrj

.github/workflows/benchmark.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   ci:
     name: Run benchmarks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/flexpret.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   ci:
     name: Build FlexPRET examples
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/memory.yml

@@ -10,7 +10,7 @@ permissions:
 jobs:
   ci:
     name: Report memory usage
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       # To get the potential changes to CI
       - name: Checkout

.github/workflows/pico.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   ci:
     name: Build examples
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/posix.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   ci:
     name: Build examples
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/riot.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   ci:
     name: Build examples and run tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     container:
       image: riot/riotbuild:latest
     env:

.github/workflows/zephyr.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   ci:
     name: Build examples
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     env:
       REACTOR_UC_PATH: ${{ github.workspace }}
     steps: