Merge branch 'master' into v5

.github/workflows/semgrep.yml

@@ -0,0 +1,15 @@
+name: Semgrep
+on: [pull_request]
+jobs:
+  semgrep:
+    name: Scan
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: returntocorp/semgrep-action@v1
+        env: # Optional environment variable for inline PR comments (beta)
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          config: p/r2c
+          publishToken: ${{ secrets.SEMGREP_APP_TOKEN }}
+          publishDeployment: 241

.github/workflows/test.yml

@@ -33,12 +33,5 @@ jobs:
       - name: Checkout codebase
         uses: actions/checkout@v2
 
-      - name: Cache go module
-        uses: actions/cache@v2
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: ${{ runner.os }}-go-
-
       - name: Test
         run: go test -timeout 1h -v ./...