chore: Syncs common workflows from the template into master (#22)

.github/pull_request_template.md

@@ -0,0 +1,20 @@
+# What ❔
+
+<!-- What are the changes this PR brings about? -->
+<!-- Example: This PR adds a PR template to the repo. -->
+<!-- (For bigger PRs adding more context is appreciated) -->
+
+## Why ❔
+
+<!-- Why are these changes done? What goal do they contribute to? What are the principles behind them? -->
+<!-- Example: PR templates ensure PR reviewers, observers, and future iterators are in context about the evolution of repos. -->
+
+## Checklist
+
+<!-- Check your PR fulfills the following items. -->
+<!-- For draft PRs check the boxes as you complete them. -->
+
+- [ ] PR title corresponds to the body of PR (we generate changelog entries from PRs).
+- [ ] Tests for the changes have been added / updated.
+- [ ] Documentation comments have been added / updated.
+- [ ] Code has been formatted via `zk fmt` and `zk lint`.

.github/workflows/cargo-license.yaml

@@ -0,0 +1,8 @@
+name: Cargo license check
+on: pull_request
+jobs:
+  cargo-deny:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      - uses: EmbarkStudios/cargo-deny-action@1e59595bed8fc55c969333d08d7817b36888f0c5 # v1.5.5

.github/workflows/secrets_scanner.yaml

@@ -0,0 +1,17 @@
+name: Leaked Secrets Scan
+on: [pull_request]
+jobs:
+  TruffleHog:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        with:
+          fetch-depth: 0
+      - name: TruffleHog OSS
+        uses: trufflesecurity/trufflehog@11394ea318a12a5bf99c1b0cb7ba5e44b3c7a79c # v3.63.2
+        with:
+          path: ./
+          base: ${{ github.event.repository.default_branch }}
+          head: HEAD
+          extra_args: --debug --only-verified

CONTRIBUTING.md

@@ -41,4 +41,4 @@ and suggestions here too. Some resources to help:
 
 Be polite and respectful.
 
-### Thank you!
+### Thank you