Update root crate repository URLs

Author: heaths

doc/azure/Cargo.toml

@@ -6,7 +6,7 @@ edition.workspace = true
 rust-version.workspace = true
 description = "Project root for all Azure SDK-related crates."
 homepage = "https://azure.github.io/azure-sdk"
-repository.workspace = true
+repository = "https://github.com/Azure/azure-sdk-for-rust/tree/feature/rust-rfc3243"
 license.workspace = true
 categories = ["compilers", "development-tools"]
 keywords = ["azure", "sdk"]

doc/microsoft/Cargo.toml

@@ -6,7 +6,7 @@ edition.workspace = true
 rust-version.workspace = true
 description = "Project root for all Microsoft-related crates."
 homepage = "https://www.microsoft.com"
-repository.workspace = true
+repository = "https://github.com/Azure/azure-sdk-for-rust/tree/feature/rust-rfc3243"
 license.workspace = true
 categories = ["development-tools"]
 keywords = ["microsoft"]