chore: pin gotestsum, run tests on 1.21

.github/workflows/commit.yaml

@@ -9,7 +9,7 @@ jobs:
   unit-test:
     runs-on: ${{ matrix.os }}
     strategy:
-      max-parallel: 10
+      max-parallel: 12
       matrix:
         os:
           - ubuntu-latest
@@ -20,6 +20,7 @@ jobs:
           - "1.18"
           - "1.19"
           - "1.20"
+          - "1.21"
     steps:
       - name: checkout
         uses: actions/checkout@v3
@@ -35,7 +36,7 @@ jobs:
           version: v1.54
           args: --timeout 5m
       - name: install gotestsum
-        run: go install gotest.tools/gotestsum@latest
+        run: go install gotest.tools/gotestsum@v1.10.1
       - name: tests
         run: make test-race
 
@@ -46,7 +47,7 @@ jobs:
         os:
           - ubuntu-latest
         go-version:
-          - "1.20"
+          - "1.21"
         runtime:
           - "docker"
     needs: