chore: adjust pull request constraints (#71)

## What type of PR is this?
/kind chore

## What this PR does / why we need it:
Adjust pull request constraints

.github/workflows/check.yaml

@@ -52,40 +52,6 @@ jobs:
           # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
           version: v1.52.2
 
-  # Lints Pull Request commits with commitlint.
-  #
-  # Rules can be referenced: 
-  # https://github.com/conventional-changelog/commitlint/tree/master/%40commitlint/config-conventional
-  CommitLint:
-    name: Commit Lint
-    runs-on: ubuntu-latest
-    if: contains(fromJSON('["pull_request"]'), github.event_name)
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-      - uses: wagoid/commitlint-github-action@v5
-
-  # Lints Pull Request title, because the title will be used as the
-  # commit message in branch main.
-  #
-  # Configuration detail can be referenced:
-  # https://github.com/marketplace/actions/pull-request-title-rules
-  PullRequestTitleLint:
-    name: Pull Request Title Lint
-    runs-on: ubuntu-latest
-    if: contains(fromJSON('["pull_request"]'), github.event_name)
-    steps:
-      - uses: deepakputhraya/action-pr-title@master
-        with:
-          allowed_prefixes: 'build,chore,ci,docs,feat,fix,perf,refactor,revert,style,test' # title should start with the given prefix
-          disallowed_prefixes: 'WIP,[WIP]' # title should not start with the given prefix
-          prefix_case_sensitive: false # title prefix are case insensitive
-          min_length: 5 # Min length of the title
-          max_length: 80 # Max length of the title
-          github_token: ${{ github.token }} # Default: ${{ github.token }}
-
   LicenseCheck:
     name: License Check
     runs-on: ubuntu-latest

.github/workflows/constraint.yaml

@@ -0,0 +1,41 @@
+# Reference from:
+# https://github.com/c-bata/go-prompt/blob/master/.github/workflows/test.yml
+name: Constraints
+on:
+  pull_request:
+    types: [opened, edited, synchronize, reopened]
+jobs:
+  # Lints Pull Request commits with commitlint.
+  #
+  # Rules can be referenced:
+  # https://github.com/conventional-changelog/commitlint/tree/master/%40commitlint/config-conventional
+  CommitLint:
+    name: Commit Lint
+    runs-on: ubuntu-latest
+    if: contains(fromJSON('["pull_request"]'), github.event_name)
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: wagoid/commitlint-github-action@v5
+
+  # Lints Pull Request title, because the title will be used as the
+  # commit message in branch main.
+  #
+  # Configuration detail can be referenced:
+  # https://github.com/marketplace/actions/pull-request-title-rules
+  PullRequestTitleLint:
+    name: Pull Request Title Lint
+    runs-on: ubuntu-latest
+    if: contains(fromJSON('["pull_request"]'), github.event_name)
+    steps:
+      - uses: deepakputhraya/action-pr-title@master
+        with:
+          allowed_prefixes: 'build,chore,ci,docs,feat,fix,perf,refactor,revert,style,test' # title should start with the given prefix
+          disallowed_prefixes: 'WIP,[WIP]' # title should not start with the given prefix
+          prefix_case_sensitive: false # title prefix are case insensitive
+          min_length: 5 # Min length of the title
+          max_length: 80 # Max length of the title
+          github_token: ${{ github.token }} # Default: ${{ github.token }}
+