ci(github): set up codecov (#33)

upload test coverage results to Codecov and tidy CI config a bit

ref: storacha/project-tracking#173

.github/workflows/test.yml

@@ -5,24 +5,26 @@ name: Test
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ['main']
   pull_request:
-    branches: [ "main" ]
+    branches: ['main']
 
 jobs:
-
-  build:
+  test:
+    name: Run tests and collect coverage
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+      - uses: actions/checkout@v3
 
-    - name: Set up Go
-      uses: actions/setup-go@v4
-      with:
-        go-version: '1.21'
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.23'
 
-    - name: Build
-      run: go build -v ./...
+      - name: Test
+        run: go test -v -coverprofile=coverage.txt ./...
 
-    - name: Test
-      run: go test -v -cover ./...
+      - name: Upload results to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

go.mod

@@ -1,6 +1,6 @@
 module github.com/storacha/go-ucanto
 
-go 1.23
+go 1.23.3
 
 require (
 	github.com/ipfs/go-cid v0.4.1