semgrep fix

.github/workflows/markdown-links.yml

@@ -1,29 +0,0 @@
-name: Check Markdown links
-on: 
-  pull_request:
-    paths:
-      - '**.md'
-  push:
-    branches:
-      - main
-    paths:
-      - '**.md'
-
-jobs:
-  markdown-link-check:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: technote-space/get-diff-action@v6.1.2
-        id: git_diff
-        with:
-          PATTERNS: |
-            **/**.md
-      - uses: gaurav-nelson/github-action-markdown-link-check@master
-        with:
-          folder-path: "docs"
-          check-modified-files-only: "yes"
-          use-quiet-mode: "yes"
-          base-branch: "main"
-          config-file: "mlc_config.json"
-        if: env.GIT_DIFF

testutil/network/network.go

@@ -217,6 +217,7 @@ func New(l Logger, baseDir string, cfg Config) (*Network, error) {
 	// only one caller/test can create and use a network at a time
 	l.Log("acquiring test network lock")
 	lock.Lock()
+	defer lock.Unlock()
 
 	if !ethermint.IsValidChainID(cfg.ChainID) {
 		return nil, fmt.Errorf("invalid chain-id: %s", cfg.ChainID)