ci: pin GitHub Actions to floating major tags

Normalize Actions pins to floating major tags via repo-ops 0.6.1 policy
(e.g. actions/checkout@v6.0.2 -> v6); stops per-patch churn.

Author: AlbinoGeek

.github/workflows/ci.yml

@@ -9,13 +9,13 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6.0.2
+    - uses: actions/checkout@v6
 
-    - uses: actions/setup-node@v6.4.0
+    - uses: actions/setup-node@v6
       with:
         node-version: "24"
 
-    - uses: oven-sh/setup-bun@v2.2.0
+    - uses: oven-sh/setup-bun@v2
       with:
         bun-version: 1.3.13
 
@@ -37,13 +37,13 @@ jobs:
     needs: check
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6.0.2
+    - uses: actions/checkout@v6
 
-    - uses: actions/setup-node@v6.4.0
+    - uses: actions/setup-node@v6
       with:
         node-version: "24"
 
-    - uses: oven-sh/setup-bun@v2.2.0
+    - uses: oven-sh/setup-bun@v2
       with:
         bun-version: 1.3.13
 
@@ -66,7 +66,7 @@ jobs:
         mv "$SRC" "$DEST"
         echo "tarball=$DEST" >> "$GITHUB_OUTPUT"
 
-    - uses: actions/upload-artifact@v7.0.1
+    - uses: actions/upload-artifact@v7
       with:
         name: npm-pack-prerelease-${{ github.sha }}
         path: ${{ steps.pack.outputs.tarball }}

.github/workflows/release.yml

@@ -16,13 +16,13 @@ jobs:
       contents: write
       packages: write
     steps:
-    - uses: actions/checkout@v6.0.2
+    - uses: actions/checkout@v6
 
-    - uses: actions/setup-node@v6.4.0
+    - uses: actions/setup-node@v6
       with:
         node-version: "24"
 
-    - uses: oven-sh/setup-bun@v2.2.0
+    - uses: oven-sh/setup-bun@v2
       with:
         bun-version: 1.3.13