Update version for dependency to use tilde instead of carat (radius-p…

…roject#8041)

# Description

Update version for dependency @azure-tools/typespec-providerhub to use
tilde instead of carat

- This pull request is a minor refactor, code cleanup, test improvement,
or other maintenance task and doesn't change the functionality of Radius
(issue link optional).

Fixes: #issue_number

## Contributor checklist
Please verify that the PR meets the following requirements, where
applicable:

- [ ] An overview of proposed schema changes is included in a linked
GitHub issue.
- [ ] A design document PR is created in the [design-notes
repository](https://github.com/radius-project/design-notes/), if new
APIs are being introduced.
- [ ] If applicable, design document has been reviewed and approved by
Radius maintainers/approvers.
- [ ] A PR for the [samples
repository](https://github.com/radius-project/samples) is created, if
existing samples are affected by the changes in this PR.
- [ ] A PR for the [documentation
repository](https://github.com/radius-project/docs) is created, if the
changes in this PR affect the documentation or any user facing updates
are made.
- [ ] A PR for the [recipes
repository](https://github.com/radius-project/recipes) is created, if
existing recipes are affected by the changes in this PR.

typespec/package.json

@@ -7,7 +7,7 @@
     "@azure-tools/typespec-autorest": "~0.46.0",
     "@azure-tools/typespec-azure-core": "~0.46.0",
     "@azure-tools/typespec-azure-resource-manager": "~0.46.0",
-    "@azure-tools/typespec-providerhub": "^0.47.0",
+    "@azure-tools/typespec-providerhub": "~0.46.0",
     "@typespec/http": "~0.60.0",
     "@typespec/openapi": "~0.60.0",
     "@typespec/rest": "~0.60.0",