ci: pin actions (#773)

* ci: pin actions

* ci: fix job names

Author: suzuki-shunsuke

.github/workflows/actionlint.yaml

@@ -10,12 +10,12 @@ on:
     paths:
     - .github/**
 jobs:
-  default:
+  actionlint:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: aquaproj/aqua-installer@v3.1.0
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: aquaproj/aqua-installer@f13c5d2f0357708d85477aabe50fd3f725528745 # v3.1.0
       with:
         aqua_version: v2.38.0
     - run: actionlint

.github/workflows/test.yaml

@@ -6,11 +6,11 @@ on:
   push:
     branches: [main]
 jobs:
-  default:
+  test:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - uses: ./
       - name: Test a single file
         uses: ./