chore(deps): update dependency ubuntu to v24

Author: renovate[bot]

.github/workflows/integrate.yaml

@@ -23,7 +23,7 @@ jobs:
 
   lint:
     name: Lint
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
     - name: Check out code
@@ -44,7 +44,7 @@ jobs:
 
   unit:
     name: Unit tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
@@ -70,7 +70,7 @@ jobs:
 
   charm-integration:
     name: Integration tests (microk8s)
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
@@ -101,7 +101,7 @@ jobs:
 
   test-bundle:
     name: Test the bundle
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
     # Ideally we'd use self-hosted runners, but this effort is still not stable.

.github/workflows/publish.yaml

@@ -28,7 +28,7 @@ on:
 jobs:
   get-charm-paths:
     name: Generate the Charm Matrix
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     outputs:
       charm_paths_list: ${{ steps.get-charm-paths.outputs.CHARM_PATHS_LIST }}
     steps:
@@ -43,7 +43,7 @@ jobs:
 
   publish-charm:
     name: Publish Charm
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     needs: get-charm-paths
     strategy:
       fail-fast: false

.github/workflows/release.yaml

@@ -17,7 +17,7 @@ on:
 jobs:
   promote-charm:
     name: Promote charm
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v3
       - name: Release charm to channel