Fix broken format CI (#763)

* Try removing special toolchain component for format job

* Swap to an alternate formatting action

* Pretty formatting for CI

.github/workflows/ci.yml

@@ -14,6 +14,7 @@ env:
 
 jobs:
   checks:
+    name: CI check (${{ matrix.ci-argument }})
     runs-on: ubuntu-latest
     strategy:
       # Default is `true`
@@ -24,14 +25,10 @@ jobs:
           - compilecheck
           - doccheck
           - doctest
-          - format
           - test
         include:
           - ci-argument: clippy
             toolchain-components: clippy
-          - ci-argument: format
-            toolchain-components: rustfmt
-    name: CI check (${{ matrix.ci-argument }})
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master
@@ -45,3 +42,15 @@ jobs:
       - name: CI job
         # See tools/ci/src/main.rs for the commands this runs
         run: cargo run -p ci -- ${{ matrix.ci-argument }}
+  formatting:
+    name: cargo fmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      # Ensure rustfmt is installed and setup problem matcher
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: rustfmt
+      - name: Rustfmt Check
+        uses: actions-rust-lang/rustfmt@v1
+