add github testing of prs and automatic tagging of main

.github/workflows/bumpversion.yml

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+name: Bump version
+on:
+  push:
+    branches:
+      - main
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Bump version and push tag
+        id: tag_version
+        uses: mathieudutour/github-tag-action@v5.5
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          create_annotated_tag: true
+          default_bump: patch
+          dry_run: false
+          tag_prefix: manic-

.github/workflows/tests.yml

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+# This is a workflow to compile the cmeps source without cime
+name: extbuild
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  test-manic:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Test Manic
+        run: |
+          pushd test
+          make utest
+          make stest
+          popd