Fix and simplify CI setup

.github/workflows/CI.yml

@@ -1,17 +1,9 @@
 name: CI
-# Run on main, tags, or any pull request
 on:
-  schedule:
-    - cron: '0 2 * * *'  # Daily at 2 AM UTC (8 PM CST)
   push:
     branches: [main]
     tags: ["*"]
   pull_request:
-concurrency:
-  # Skip intermediate builds: always.
-  # Cancel intermediate builds: only if it is a pull request build.
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }}
@@ -20,8 +12,8 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - "1.6"  # first supported version
-          - "1"    # Latest Release
+          - '1.6'
+          - '1' # automatically expands to the latest stable 1.x release of Julia
         os:
           - ubuntu-latest
           - macOS-latest
@@ -36,14 +28,9 @@ jobs:
           - os: windows-latest
             arch: x86
         include:
-          # Add specific version used to run the reference tests.
-          # Must be kept in sync with version check in `test/runtests.jl`,
-          # and with the branch protection rules on the repository which
-          # require this specific job to pass on all PRs
-          # (see Settings > Branches > Branch protection rules).
           - os: ubuntu-latest
-            version: 1.7.2
             arch: x64
+            version: nightly
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
@@ -56,18 +43,14 @@ jobs:
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v2
         with:
-          files: lcov.info
-
+          file: lcov.info
   docs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
-        with:
-          version: '1'
-      - uses: julia-buildpkg@v1
-      - uses: julia-docdeploy@v1
+      - uses: julia-actions/julia-buildpkg@latest
+      - uses: julia-actions/julia-docdeploy@latest
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}

.github/workflows/TagBot.yml

@@ -4,6 +4,11 @@ on:
     types:
       - created
   workflow_dispatch:
+    inputs:
+      lookback:
+        default: 3
+permissions:
+  contents: write
 jobs:
   TagBot:
     if: github.event_name == 'workflow_dispatch' || github.actor == 'JuliaTagBot'