add setting which allows us to set a timeout on HTTP requests (#6364)

Co-authored-by: repo-ranger[bot] <39074581+repo-ranger[bot]@users.noreply.github.com>

config/custom-environment-variables.yml

@@ -61,6 +61,8 @@ public:
 
   fetchLimit: 'FETCH_LIMIT'
 
+  requestTimeoutSeconds: 'REQUEST_TIMEOUT_SECONDS'
+
   requireCloudflare: 'REQUIRE_CLOUDFLARE'
 
 private:

config/default.yml

@@ -33,6 +33,8 @@ public:
 
   fetchLimit: '10MB'
 
+  requestTimeoutSeconds: 120
+
   requireCloudflare: false
 
 private: {}