ci: condense the check, build, and test jobs into a single job since trying it the other way taught me that this will work better with the cache

.github/workflows/check-and-build-and-test.yml

@@ -10,39 +10,7 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  check:
-    runs-on: ubuntu-latest
-    timeout-minutes: 15
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-
-      - uses: Swatinem/rust-cache@v2
-
-      - name: Check
-        run: cargo check --verbose
-
-  build:
-    needs: check
-    runs-on: ubuntu-latest
-    timeout-minutes: 15
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-
-      - uses: Swatinem/rust-cache@v2
-
-      - name: Build
-        run: cargo build --verbose
-
-  test:
-    needs: build
+  check-build-and-test:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
@@ -56,5 +24,11 @@ jobs:
 
       - uses: Swatinem/rust-cache@v2
 
+      - name: Check
+        run: cargo check --verbose
+
+      - name: Build
+        run: cargo build --verbose
+
       - name: Run tests
         run: cargo nextest run