GumGum Bid Adapter : Add support for the DSA (prebid#11311)

* Fix for the multi-size in- slot

* added comment

* displaymanager: add field for displaymanager and displaymanagerver

* fix: displayManager to include 'gumgum'

* fix: test case

* Add support for DSA in the bid request

---------

Co-authored-by: ahzgg <abel.herrera@gumgum.com>
Co-authored-by: ahzgg <163184035+ahzgg@users.noreply.github.com>

modules/gumgumBidAdapter.js

@@ -422,6 +422,10 @@ function buildRequests(validBidRequests, bidderRequest) {
       data.gppString = bidderRequest.ortb2.regs.gpp
       data.gppSid = Array.isArray(bidderRequest.ortb2.regs.gpp_sid) ? bidderRequest.ortb2.regs.gpp_sid.join(',') : ''
     }
+    const dsa = deepAccess(bidderRequest, 'ortb2.regs.ext.dsa');
+    if (dsa) {
+      data.dsa = dsa
+    }
     if (coppa) {
       data.coppa = coppa;
     }
@@ -549,7 +553,6 @@ function interpretResponse(serverResponse, bidRequest) {
     mediaType: type || mediaType
   };
   let sizes = parseSizesInput(bidRequest.sizes);
-
   if (maxw && maxh) {
     sizes = [`${maxw}x${maxh}`];
   } else if (product === 5 && includes(sizes, '1x1')) {

test/spec/modules/gumgumBidAdapter_spec.js

@@ -589,6 +589,29 @@ describe('gumgumAdapter', function () {
       expect(bidRequest.data.gppString).to.eq('')
       expect(bidRequest.data.gppSid).to.eq('')
     });
+    it('should add DSA information to payload if available', function () {
+      // Define the sample ORTB2 object with DSA information
+      const ortb2 = {
+        regs: {
+          ext: {
+            dsa: {
+              dsarequired: '1',
+              pubrender: '2',
+              datatopub: '3',
+              transparency: [{
+                domain: 'test.com',
+                dsaparams: [1, 2, 3]
+              }]
+            }
+          }
+        }
+      };
+      const fakeBidRequest = { ortb2 };
+      // Call the buildRequests function to generate the bid request
+      const [bidRequest] = spec.buildRequests(bidRequests, fakeBidRequest);
+      // Assert that the DSA information in the bid request matches the provided ORTB2 data
+      expect(bidRequest.data.dsa).to.deep.equal(fakeBidRequest.ortb2.regs.ext.dsa);
+    });
     it('should not set coppa parameter if coppa config is set to false', function () {
       config.setConfig({
         coppa: false