Turn off the project workflow, reorg some CI jobs (#451)

* Remove 'assign to project' workflow

Doesn't work with external PRs.

* Reorg CI jobs a bit

* Also upgrade gcloud sdk to version 295.0.0

.github/workflows/assign-to-project.yml

@@ -1,24 +0,0 @@
-name: Project
-
-on:
-  issues:
-    types: [opened]
-  pull_request:
-    types: [opened]
-
-jobs:
-  assign:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: alex-page/github-project-automation-plus@v0.2.4
-        if: github.event_name == 'issues' && github.event.action == 'opened'
-        with:
-          project: Zebra
-          column: To Do
-          repo-token: ${{ secrets.PROJECT_AUTOMATION }}
-      - uses: alex-page/github-project-automation-plus@v0.2.4
-        if: github.event_name == 'pull_request' && github.event.action == 'opened'
-        with:
-          project: Zebra
-          column: In progress
-          repo-token: ${{ secrets.PROJECT_AUTOMATION }}

.github/workflows/pr.yml

@@ -1,34 +1,14 @@
 name: CI
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
     branches:
       - main
 
 jobs:
 
-  build:
-    name: Google Cloud Build
-     # This is a pull request, and gcloud would fail for external PRs.
-    if: (!github.head_ref) || (!github.base_ref)
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@master
-    - uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
-      with:
-        version: '275.0.0'
-        service_account_key: ${{ secrets.GCLOUD_AUTH }}
-    - name: Build, Test, Push to GCR
-      run: |
-        BRANCH_NAME=$GITHUB_REPOSITORY/$(expr $GITHUB_REF : '.*/\(.*\)') && \
-        BRANCH_NAME=${BRANCH_NAME,,} && \
-        gcloud builds submit . --config cloudbuild.yaml --project zealous-zebra --substitutions BRANCH_NAME=$BRANCH_NAME
-
   test:
-    name: Build and test on ${{ matrix.os }}
+    name: Build & test on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:

.github/workflows/push.yml

@@ -0,0 +1,20 @@
+name: CI
+
+on:
+  push:
+
+jobs:
+  build:
+    name: Google Cloud Build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
+      with:
+        version: '295.0.0'
+        service_account_key: ${{ secrets.GCLOUD_AUTH }}
+    - name: Build, Test, Push to GCR
+      run: |
+        BRANCH_NAME=$GITHUB_REPOSITORY/$(expr $GITHUB_REF : '.*/\(.*\)') && \
+        BRANCH_NAME=${BRANCH_NAME,,} && \
+        gcloud builds submit . --config cloudbuild.yaml --project zealous-zebra --substitutions BRANCH_NAME=$BRANCH_NAME