GitHub actions

.github/actions/bump/action.yml

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+name: Bump version
+description: Bump the version of Bun
+
+inputs:
+  version:
+    description: The most recent version of Bun.
+    required: true
+    type: string
+
+runs:
+  using: composite
+  steps:
+    - name: Run Bump
+      shell: bash
+      id: bump
+      run: |
+        set -euo pipefail
+        MESSAGE=$(bun ./scripts/bump.ts patch --last-version=${{ inputs.version }})
+        LATEST=$(cat LATEST)
+        echo "version=$LATEST" >> $GITHUB_OUTPUT
+        echo "message=$MESSAGE" >> $GITHUB_OUTPUT
+    - name: Create Pull Request
+      uses: peter-evans/create-pull-request@v4
+      with:
+        add-paths: |
+          CMakeLists.txt
+          LATEST
+        token: ${{ secrets.GITHUB_TOKEN }}
+        commit-message: Bump version to ${{ steps.bump.outputs.version }}
+        title: Bump to ${{ steps.bump.outputs.version }}
+        delete-branch: true
+        branch: github-actions/bump-version-${{ steps.bump.outputs.version }}
+        body: |
+          ## What does this PR do?
+
+          ${{ steps.bump.outputs.message }}
+
+          Auto-bumped by [this workflow](https://github.com/oven-sh/bun/actions/workflows/release.yml)

.github/workflows/test-bump.yml

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+name: Test Bump version
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        type: string
+        description: What is the release tag? (e.g. "1.0.2", "canary")
+        required: true
+
+jobs:
+  bump:
+    name: "Bump version"
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Bun
+        uses: ./.github/actions/setup-bun
+        with:
+          bun-version: "1.1.12"
+      - name: Bump version
+        uses: ./.github/actions/bump
+        with:
+          version: ${{ inputs.version }}