Bump FDC local toolkit to v1.7.6. (#8129)

* Bump FDC local toolkit to v1.7.6.

* Update changelog.

CHANGELOG.md

@@ -1,3 +1,7 @@
 - Updated `cross-env` and `cross-spawn` dependencies to avoid vulnerable versions. (#7979)
 - Fixed an issue with the Data Connect emulator where `dataDir` and `--export` were relative to the current directory insead of `firebase.json`.
 - `init dataconnect` now suggests DNS compatible service IDs.
+- Updated the Firebase Data Connect local toolkit to v1.7.6, which includes several bug fixes:
+  - Fixed an issue in generated Dart code when an operation name ends in a number
+  - Fixed an issue with `@check` and `@redact` directives on list fields
+  - Fixed an issue with null literals in `any` type fields

src/emulator/downloadableEmulators.ts

@@ -59,20 +59,20 @@ const EMULATOR_UPDATE_DETAILS: { [s in DownloadableEmulators]: EmulatorUpdateDet
   dataconnect:
     process.platform === "darwin"
       ? {
-          version: "1.7.5",
-          expectedSize: 25281280,
-          expectedChecksum: "85d0de96b5c08b553fd8506a2bc381bb",
+          version: "1.7.6",
+          expectedSize: 25322240,
+          expectedChecksum: "2dda7394330fd1aba37605466941eef0",
         }
       : process.platform === "win32"
         ? {
-            version: "1.7.5",
-            expectedSize: 25711616,
-            expectedChecksum: "c99d67fa8e74d41760b96122b055b8e2",
+            version: "1.7.6",
+            expectedSize: 25752064,
+            expectedChecksum: "283c11e28a0072b596531b79462a8e94",
           }
         : {
-            version: "1.7.5",
-            expectedSize: 25190552,
-            expectedChecksum: "61d966b781e6f2887f8b38ec271b54e2",
+            version: "1.7.6",
+            expectedSize: 25235608,
+            expectedChecksum: "f66e24b3726df57cd1f1685a64a87904",
           },
 };