Enable cancel in progress

Author: jdetter

.github/workflows/ci.yml

@@ -13,6 +13,10 @@ on:
 
 name: CI
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.event.inputs.pr_number || format('sha-{0}', github.sha) }}
+  cancel-in-progress: true
+
 jobs:
   docker_smoketests:
     name: Smoketests
@@ -424,11 +428,6 @@ jobs:
         with:
           run_install: true
 
-      - name: Create /stdb dir
-        run: |
-          sudo mkdir /stdb
-          sudo chmod 777 /stdb
-
       - name: Get pnpm store directory
         shell: bash
         run: |
@@ -444,10 +443,6 @@ jobs:
 
       - uses: dsherret/rust-toolchain-file@v1
 
-      - uses: actions/setup-dotnet@v3
-        with:
-          global-json-file: global.json
-
       - name: Check for docs change
         run: |
           cargo run --features markdown-docs -p spacetimedb-cli > docs/docs/cli-reference.md