Improve Raven highlighting, docs, and CI

.gitattributes

@@ -0,0 +1 @@
+*.rv linguist-language=Rust

.github/workflows/ci.yml

@@ -2,7 +2,14 @@ name: CI
 
 on:
   push:
+    branches: [main]
+    tags: ["v*"]
   pull_request:
+    branches: [main]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 
 permissions:
   contents: read
@@ -11,12 +18,13 @@ jobs:
   test:
     name: Raven ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 10
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: martian56/setup-raven@v1
         with:
           raven-version: "2.26.1"

README.md

@@ -1,5 +1,7 @@
 # raven-sqlite
 
+[![CI](https://github.com/martian56/raven-sqlite/actions/workflows/ci.yml/badge.svg)](https://github.com/martian56/raven-sqlite/actions/workflows/ci.yml)
+
 SQLite for Raven, with the database engine bundled in. There is no system
 SQLite to install: the C amalgamation ships with the package and is compiled and
 linked into your program by `rvpm build`. You only need a C compiler, which
@@ -9,7 +11,7 @@ Raven's FFI already requires.
 
 ```toml
 [dependencies]
-"github.com/martian56/raven-sqlite" = "0.1"
+"github.com/martian56/raven-sqlite" = "v0.2.0"
 ```
 
 Needs Raven 2.26.1 or newer.