Use https submodule url for easier clones in CI (#961)

Sushisource · web-flow · commit d604666d1e9f · 2022-11-10T22:23:59.000Z
diff --git a/.gitmodules b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "sdk-core"]
 	path = packages/core-bridge/sdk-core
-	url = git@github.com:temporalio/sdk-core.git
+    url = https://github.com/temporalio/sdk-core.git
