add goscan action (insert spiderman meme)

.forgejo/workflows/gosec.yml

@@ -0,0 +1,20 @@
+name: Gosec Check
+on:
+  push:
+    branches: ["main"]
+  workflow_dispatch:
+
+jobs:
+  gosec:
+    name: Gosec Check
+    runs-on: node20-bookworm
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+      - run: go mod download && go install github.com/a-h/templ/cmd/templ@latest
+      - run: templ generate
+      - name: Run Gosec Security Scanner
+        uses: actions/goscan@main