Use rust-toolchain.toml and newer rust version

Use rust-toolchain.toml file over makefile installation.
Signed-off-by: James Sturtevant <jstur@microsoft.com>

Author: jsturtevant

.github/workflows/bvt.yml

@@ -12,7 +12,6 @@ jobs:
         uses: actions/checkout@v3
       - name: Check
         run: |
-          make deps
           make check
           make -C compiler check
           make -C ttrpc-codegen check
@@ -28,7 +27,6 @@ jobs:
         uses: actions/checkout@v3
       - name: Build
         run: |
-          make deps
           make
           make -C compiler
           make -C ttrpc-codegen

Makefile

@@ -1,5 +1,3 @@
-RUST_VERSION = 1.66
-
 all: debug test
 
 #
@@ -34,9 +32,3 @@ endif
 check:
 	cargo fmt --all -- --check
 	cargo clippy --all-targets --all-features -- -D warnings
-
-.PHONY: deps
-deps:
-	rustup install $(RUST_VERSION)
-	rustup default $(RUST_VERSION)
-	rustup component add rustfmt clippy

rust-toolchain.toml

@@ -0,0 +1,4 @@
+[toolchain]
+channel="1.77.0"
+profile="default"
+components=["rustfmt", "clippy"]