wip: add some workflows for backporting, semver, and publishing

.github/workflows/semver.yml

@@ -7,3 +7,41 @@
 # Whenever a PR is made, we want to comment on it:
 # - semver compatibility
 # - if it's a fix, it should be backported to the minor update PR
+
+on:
+  push:
+    branches:
+      - master
+
+# Generate the minor bump
+jobs:
+  update_routes:
+    runs-on: ubuntu-latest
+    steps:
+      # Check out the repo, but don't persist credentials, so github uses the GITHUB_TOKEN
+      - uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+
+      # Run cargo workspaces version to generate the version bump PR
+      - run: "date > datetime.txt" # create or update a test.txt file
+
+      # And then create the PR
+      - uses: gr2m/create-or-update-pull-request-action@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          title: "My pull request title"
+          body: "My pull request body"
+          branch: "my-pull-request-base-branch"
+          path: "lib/"
+          commit-message: "My commit message for uncommitted changes in lib/ folder"
+          author: "Lorem J. Ipsum <lorem@example.com>"
+          labels: label1, label2
+          assignees: user1, user2
+          reviewers: user1, user2
+          team_reviewers: team1, team2
+          auto-merge: squash
+          update-pull-request-title-and-body: false
+
+# Generate the major bump