buildspec: Update OBS Studio dependency to 31.1.1

This enabled obs_canvas API support

.github/actions/build-dependencies/action.yaml

@@ -22,7 +22,7 @@ runs:
     - name: Setup cmake
       uses: jwlawson/actions-setup-cmake@v1.13
       with:
-        cmake-version: '3.24.x'
+        cmake-version: '3.28.x'
 
     - name: Restore cached dependencies
       id: restore-cache

buildspec.json

@@ -1,33 +1,33 @@
 {
     "dependencies": {
         "obs-studio": {
-            "version": "30.1.2",
+            "version": "31.1.1",
             "baseUrl": "https://github.com/obsproject/obs-studio/archive/refs/tags",
             "label": "OBS sources",
             "hashes": {
-                "macos": "490bae1c392b3b344b0270afd8cb887da4bc50bd92c0c426e96713c1ccb9701a",
-                "windows-x64": "c2dd03fa7fd01fad5beafce8f7156da11f9ed9a588373fd40b44a06f4c03b867"
+                "macos": "39751f067bacc13d44b116c5138491b5f1391f91516d3d590d874edd21292291",
+                "windows-x64": "2c8427c10b55ac6d68008df2e9a3e82f4647aaad18f105e30d4713c2de678ccf"
             }
         },
         "prebuilt": {
-            "version": "2024-03-19",
+            "version": "2025-07-11",
             "baseUrl": "https://github.com/obsproject/obs-deps/releases/download",
             "label": "Pre-Built obs-deps",
             "hashes": {
-                "macos": "2e9bfb55a5e0e4c1086fa1fda4cf268debfead473089df2aaea80e1c7a3ca7ff",
-                "windows-x64": "6e86068371526a967e805f6f9903f9407adb683c21820db5f07da8f30d11e998"
+                "macos": "495687e63383d1a287684b6e2e9bfe246bb8f156fe265926afb1a325af1edd2a",
+                "windows-x64": "c8c642c1070dc31ce9a0f1e4cef5bb992f4bff4882255788b5da12129e85caa7"
             }
         },
         "qt6": {
-            "version": "2024-03-19",
+            "version": "2025-07-11",
             "baseUrl": "https://github.com/obsproject/obs-deps/releases/download",
             "label": "Pre-Built Qt6",
             "hashes": {
-                "macos": "694f1e639c017e3b1f456f735330dc5afae287cbea85757101af1368de3142c8",
-                "windows-x64": "72d1df34a0ef7413a681d5fcc88cae81da60adc03dcd23ef17862ab170bcc0dd"
+                "macos": "d3f5f04b6ea486e032530bdf0187cbda9a54e0a49621a4c8ba984c5023998867",
+                "windows-x64": "0e76bf0555dd5382838850b748d3dcfab44a1e1058441309ab54e1a65b156d0a"
             },
             "debugSymbols": {
-                "windows-x64": "fbddd1f659c360f2291911ac5709b67b6f8182e6bca519d24712e4f6fd3cc865"
+                "windows-x64": "11b7be92cf66a273299b8f3515c07a5cfb61614b59a4e67f7fc5ecba5e2bdf21"
             }
         }
     },