chore(deps): pin dependencies (#58)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/update-deps.yml

@@ -16,10 +16,10 @@ jobs:
 
     steps:
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6
 
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Update minor and patch-level dependencies
         run: go get -t -u ./...
@@ -28,7 +28,7 @@ jobs:
         run: go mod tidy
 
       - name: Create pull request
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7
         with:
           title: "Update package dependencies + tidy"
           body: |