[StepSecurity] Apply security best practices (#113)

Signed-off-by: StepSecurity Bot <[email protected]>
Co-authored-by: Rob Bos <[email protected]>

.github/workflows/dependency-review.yml

@@ -0,0 +1,22 @@
+# Dependency Review Action
+#
+# This Action will scan dependency manifest files that change as part of a Pull Request,
+# surfacing known-vulnerable versions of the packages declared or updated in the PR.
+# Once installed, if the workflow run is marked as required,
+# PRs introducing known-vulnerable packages will be blocked from merging.
+#
+# Source repository: https://github.com/actions/dependency-review-action
+name: 'Dependency Review'
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Checkout Repository'
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+      - name: 'Dependency Review'
+        uses: actions/dependency-review-action@0efb1d1d84fc9633afcdaad14c485cbbc90ef46c # v2.5.1

Dockerfile

@@ -1,4 +1,4 @@
-FROM ghcr.io/rajbos/actions-marketplace/powershell:7
+FROM ghcr.io/rajbos/actions-marketplace/powershell:7@sha256:f9581e82b22405506b54152ef4ae0445aa2afcdef36aebab9379724c3ec2b561
 
 ENV DOCKER=true