chore(ci): add a workflow to bump the runner version

.github/workflows/bump-runner-version.yml

@@ -0,0 +1,43 @@
+name: Bump the runner version
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Runner version"
+        required: true
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  bump:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Bump
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          # Check that the version is a valid semver
+          if ! echo "${{ github.event.inputs.version }}" | grep -E '^[0-9]+\.[0-9]+\.[0-9]+$'; then
+              echo "Invalid version"
+              exit 1
+          fi
+          # Check that this release exists in the CodSpeedHQ/runner repository
+          if ! gh release view ${{ github.event.inputs.version }} -R CodSpeedHQ/runner; then
+            echo "Release ${{ github.event.inputs.version }} does not exist in CodSpeedHQ/runner"
+            exit 1
+          fi
+
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+          git config --global user.name "github-actions[bot]"
+          echo "Bumping runner version to ${{ github.event.inputs.version }}"
+          BRANCH_NAME=bump-runner-version/${{ github.event.inputs.version }}
+          git checkout -b $BRANCH_NAME
+          echo ${{ github.event.inputs.version }} > .codspeed-runner-version
+          git add .codspeed-runner-version
+          git commit -m "Bump runner version to ${{ github.event.inputs.version }}"
+          git push origin $BRANCH_NAME
+          gh pr create --title "Bump runner version to ${{ github.event.inputs.version }}" --body "Bump runner version to ${{ github.event.inputs.version }}" --base main --head $BRANCH_NAME