[CI] Split ci.yml into dedicated workflows

Author: ikesyo

.github/workflows/ci.yml renamed to .github/workflows/ci-swiftpm.yml

@@ -1,37 +1,16 @@
-name: CI
+name: CI (SwiftPM)
 
 on:
   push:
     branches:
       - master
+    tags:
+      - "*"
   pull_request:
     branches:
       - "*"
 
 jobs:
-  cocoapods:
-    name: CocoaPods Lint
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v2
-      - run: bundle install
-      - run: ./test podspec
-
-  xcode:
-    name: Xcode ${{ matrix.xcode }} - ${{ matrix.platform }}
-    runs-on: macos-latest
-    strategy:
-      matrix:
-        xcode: [11.7, 12.4]
-        platform: [macos, ios, tvos]
-      fail-fast: false
-    env:
-      DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app
-    steps:
-      - uses: actions/checkout@v2
-      - run: ./test ${{ matrix.platform }}
-      - run: ./test ${{ matrix.platform }}_xcodespm
-
   swiftpm_darwin:
     name: SwiftPM, Darwin, Xcode ${{ matrix.xcode }}
     runs-on: macos-latest

.github/workflows/ci-xcode.yml

@@ -0,0 +1,27 @@
+name: CI (Xcode)
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - "*"
+  pull_request:
+    branches:
+      - "*"
+
+jobs:
+  xcode:
+    name: Xcode ${{ matrix.xcode }} - ${{ matrix.platform }}
+    runs-on: macos-latest
+    strategy:
+      matrix:
+        xcode: [11.7, 12.4]
+        platform: [macos, ios, tvos]
+      fail-fast: false
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app
+    steps:
+      - uses: actions/checkout@v2
+      - run: ./test ${{ matrix.platform }}
+      - run: ./test ${{ matrix.platform }}_xcodespm

.github/workflows/cocoapods.yml

@@ -0,0 +1,23 @@
+name: CocoaPods
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - "*"
+  pull_request:
+    branches:
+      - "*"
+
+jobs:
+  cocoapods:
+    name: CocoaPods Lint
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7
+          bundler-cache: true
+      - run: ./test podspec