feat: add input for bun-version-file

.github/workflows/test.yml

@@ -85,6 +85,7 @@ jobs:
             echo "Expected version to be 1.1.0, got ${{ steps.bun.outputs.version }}"
             exit 1
           fi
+
   setup-bun-from-tool-versions:
     runs-on: ${{ matrix.os }}
     strategy:
@@ -99,10 +100,51 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Setup package.json
+
+      - name: Setup .tool-versions
         shell: bash
         run: |
-          echo "bun ${{ matrix.content }}" > .tool-versions
+          echo "${{ matrix.content }}" > .tool-versions
+
+      - name: Setup Bun
+        uses: ./
+
+      - name: Run Bun
+        id: bun
+        shell: bash
+        run: |
+          bun --version
+          echo "version=$(bun --version)" >> $GITHUB_OUTPUT
+
+      - name: Check version
+        shell: bash
+        run: |
+          if [[ "${{ steps.bun.outputs.version }}" == "1.1.0" ]]; then
+            echo "Version is 1.1.0"
+          else
+            echo "Expected version to be 1.1.0, got ${{ steps.bun.outputs.version }}"
+            exit 1
+          fi
+
+  setup-bun-from-bumrc:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+        content:
+          - "1.1.0"
+          - "latest"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup .bumrc
+        shell: bash
+        run: |
+          echo "${{ matrix.content }}" > .bumrc
 
       - name: Setup Bun
         uses: ./