workflow: trigger release for 3.x releases

So that we can push 3.x artifacts to the release page.

Fixes: #4919
Signed-off-by: Peng Tao <bergwolf@hyper.sh>

.github/workflows/release.yaml

@@ -1,8 +1,8 @@
-name: Publish Kata 2.x release artifacts
+name: Publish Kata release artifacts
 on:
   push:
     tags:
-     - '2.*'
+      - '[0-9]+.[0-9]+.[0-9]+*'
 
 jobs:
   build-asset:

.github/workflows/snap-release.yaml

@@ -1,8 +1,9 @@
-name: Release Kata 2.x in snapcraft store
+name: Release Kata in snapcraft store
 on:
   push:
     tags:
-      - '2.*'
+      - '[0-9]+.[0-9]+.[0-9]+*'
+
 jobs:
   release-snap:
     runs-on: ubuntu-20.04