chore: split GitHub CIs greetings and manuals build

- split manual build and greetings for speed up

Signed-off-by: Hiroshi Miura <[email protected]>

.github/workflows/greetings-builds-master.yml

@@ -19,6 +19,6 @@ jobs:
     - uses: gradle/actions/setup-gradle@v4
       name: Setup Gradle
       id: setup-gradle
-    - name: Run gradle firstSteps manualsHtmls javadoc
-      run: ./gradlew -PenvIsCi=true firstSteps manualHtmls javadoc
+    - name: Run gradle firstSteps
+      run: ./gradlew -PenvIsCi=true firstSteps
       id: gradle

.github/workflows/manuals-builds-master.yml

@@ -0,0 +1,24 @@
+name: Check javadoc, greetings and manuals
+
+on:
+  push:
+    branches:
+      - master
+      - releases/*
+  pull_request:
+
+jobs:
+  gradle:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-java@v4
+      with:
+        java-version: 17
+        distribution: 'temurin'
+    - uses: gradle/actions/setup-gradle@v4
+      name: Setup Gradle
+      id: setup-gradle
+    - name: Run gradle manualsHtmls
+      run: ./gradlew -PenvIsCi=true manualHtmls
+      id: gradle