update ubuntu image for the release workflow (#218)

Author: sameh-farouk

.github/workflows/release.yaml

@@ -14,7 +14,7 @@ env:
 jobs:
   build:
     name: Releasing rmb
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Prepare
         run: |

.github/workflows/release_arm.yaml

@@ -12,7 +12,7 @@ env:
 
 jobs:
   build-and-push:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
       packages: write