chore: enable dependabot to keep boostrap action updated (#2976)

Signed-off-by: Weston Steimel <commits@weston.slmail.me>

.github/actions/bootstrap/action.yaml

@@ -27,14 +27,14 @@ runs:
   using: "composite"
   steps:
     # note: go mod and build is automatically cached on default with v4+
-    - uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 #v5.0.1
+    - uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 # v5.0.1
       if: inputs.go-version != ''
       with:
         go-version: ${{ inputs.go-version }}
 
     - name: Restore tool cache
       id: tool-cache
-      uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 #v3.3.2
+      uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84 # v3.3.2
       with:
         path: ${{ github.workspace }}/.tool
         key: ${{ inputs.cache-key-prefix }}-${{ runner.os }}-tool-${{ hashFiles('.binny.yaml') }}

.github/dependabot.yml

@@ -17,3 +17,11 @@ updates:
     open-pull-requests-limit: 10
     labels:
       - "dependencies"
+
+  - package-ecosystem: "github-actions"
+    directory: "/.github/actions/boostrap"
+    schedule:
+      interval: "daily"
+    open-pull-requests-limit: 10
+    labels:
+      - "dependencies"