chore: use ubuntu-latest in ci

Author: carbonrobot

.github/workflows/pull_request.yml

@@ -4,7 +4,7 @@ on:
 jobs:
   commit_check:
     name: Conventional Commits Checkout
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
       - name: Check Commits
         uses: amannn/action-semantic-pull-request@v3.4.0
@@ -13,7 +13,7 @@ jobs:
 
   pull_request:
     name: Pull Request
-    runs-on: ubuntu
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/release.yml

@@ -6,7 +6,7 @@ on:
 jobs:
   release:
     name: Release
-    runs-on: ubuntu
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v3