Use new self-repository syntax for local GitHub actions (#706)

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
           persist-credentials: false
 
       - name: Run zizmor
-        uses: zizmorcore/zizmor-action@5f14fd08f7cf1cb1609c1e344975f152c7ee938d # v0.5.6
+        uses: zizmorcore/zizmor-action@3dc1ecc9bcb9e94e9b2c709687979e1298497054 # v0.6.2
         with:
           persona: pedantic
           annotations: true
@@ -43,12 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - name: Check out repo
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
-        with:
-          persist-credentials: false
-
-      - uses: ./.github/actions/ci-setup
+      - uses: $/.github/actions/ci-setup
 
       - name: Test
         run: pnpm test
@@ -58,12 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - name: Check out repo
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
-        with:
-          persist-credentials: false
-
-      - uses: ./.github/actions/ci-setup
+      - uses: $/.github/actions/ci-setup
 
       - name: Typecheck
         run: pnpm typecheck
@@ -73,12 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - name: Check out repo
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
-        with:
-          persist-credentials: false
-
-      - uses: ./.github/actions/ci-setup
+      - uses: $/.github/actions/ci-setup
 
       - name: Format
         run: pnpm format