use self-hosted runners for Developer builds GH action

Otherwise we get:
```
Error: The operation was canceled.
```
Which is most probably due to OOM error.

Signed-off-by: Jakub Sokołowski <jakub@status.im>

.github/workflows/ci.yml

@@ -213,7 +213,7 @@ jobs:
 
   devbuild:
     name: "Developer builds"
-    runs-on: ubuntu-latest
+    runs-on: ['self-hosted','ubuntu-22.04']
     steps:
       - name: Checkout
         uses: actions/checkout@v4