chore: rename next channel to canary (#1207)

* chore: add canary to our test matrix

* chore: rename next to canary

Author: MatanBobi

.github/workflows/validate.yml

@@ -30,7 +30,7 @@ jobs:
       fail-fast: false
       matrix:
         node: [14, 16, 18]
-        react: [latest, next, experimental]
+        react: [latest, canary, experimental]
     runs-on: ubuntu-latest
     steps:
       - name: ⬇️ Checkout repo