Change CIs to use rust-toolchain

.github/workflows/crdgen.yaml

@@ -1,17 +1,15 @@
 name: crdgen
 
 on:
+  push:
   pull_request:
 
 jobs:
   crdgen:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: actions-rs/toolchain@v1
-      with:
-        profile: minimal
-        toolchain: stable
+    - uses: dtolnay/[email protected]
     - uses: Swatinem/rust-cache@v2
     - name: Check crdgen diff
       run: cargo run --bin crdgen | diff helm/templates/crds/customresourcedefinition.yaml -

.github/workflows/rustfmt.yaml

@@ -1,20 +1,15 @@
 name: rustfmt
 
 on:
+  push:
   pull_request:
 
 jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: actions-rs/toolchain@v1
+    - uses: dtolnay/rust-toolchain@1.71.1
       with:
-        profile: minimal
-        toolchain: stable
         components: rustfmt
-    - name: Check rustfmt
-      uses: actions-rs/cargo@v1
-      with:
-        command: fmt
-        args: -- --check
+    - run: cargo fmt --check

.github/workflows/test.yaml

@@ -1,31 +1,23 @@
 name: test
 
 on:
+  push:
   pull_request:
 
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: actions-rs/toolchain@v1
-      with:
-        profile: minimal
-        toolchain: stable
+    - uses: dtolnay/[email protected]
     - uses: Swatinem/rust-cache@v2
-    - name: Run test
-      uses: actions-rs/cargo@v1
-      with:
-        command: test
+    - run: cargo test
 
   example-testcases:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: actions-rs/toolchain@v1
-      with:
-        profile: minimal
-        toolchain: stable
+    - uses: dtolnay/[email protected]
     - uses: Swatinem/rust-cache@v2
     - name: Run example testcases
       run: cargo run --bin checkpoint -- test $(find -type f -iname testcase.yaml)