Update runner spec for Tag action

Currently it stucks indefinitely with the old one

Signed-off-by: Yury Tsarev <yury@upbound.io>

Author: ytsarev

.github/workflows/tag.yml

@@ -12,7 +12,7 @@ on:
 
 jobs:
   create-tag:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout
@@ -23,4 +23,4 @@ jobs:
         with:
           version: ${{ github.event.inputs.version }}
           message: ${{ github.event.inputs.message }}
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.GITHUB_TOKEN }}