fix: migrate archived actions-rs/toolchain to dtolnay/rust-toolchain (#5)

Author: talalashraf

.github/workflows/pull-request.yaml

@@ -12,9 +12,8 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: Swatinem/rust-cache@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@master
         with:
-          profile: minimal
           toolchain: nightly
           components: rustfmt
       - run: |