Outdated repository links for frame-support and frame-system

[Endericedragon]

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Hello there. I am following the tutorial of building a collectible workshop to build my pallet. However, I believe that some code pieces in the tutorial are incorrect or outdated. More tangibly, in the webpage Create a new pallet, the configurations for frame-support and frame-system is incorrect.
The incorrect code is as follows:

[dependencies]
frame-support = { default-features = false, version = "4.0.0-dev", git = "https://github.com/paritytech/polkadot-sdk.git", branch = "polkadot-v1.0.0"}
frame-system = { default-features = false, version = "4.0.0-dev", git = "https://github.com/paritytech/polkadot-sdk.git", branch = "polkadot-v1.0.0" }

When I used these codes, I got an error message from cargo, telling me that cargo cannot find the branch named "polkadot-v1.0.0".However, if I changed the "git" property from "https://github.com/paritytech/polkadot-sdk.git" to "https://github.com/paritytech/substrate.git", the error message disappeared and everything looked fine now.

Steps to reproduce the problem

Just follow the steps in the webpage Create a new pallet, and the cargo would show the error message when you try to run cargo build --package collectibles.