Add pinact and zizmor workflow checks

Author: demeyerthom

.github/workflows/dependabot-changie.yaml

@@ -12,7 +12,7 @@ permissions:
 jobs:
   dependabot-changie:
     runs-on: ubuntu-latest
-    if: github.actor == 'dependabot[bot]'
+    if: github.event.pull_request.user.login == 'dependabot[bot]'
     steps:
       - name: Checkout
         uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1

.github/workflows/pinact.yaml

@@ -0,0 +1,32 @@
+name: Pinact
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["**"]
+    paths:
+      - ".github/workflows/**"
+      - ".github/actions/**"
+
+permissions: {}
+
+jobs:
+  pinact:
+    # Only run on pull requests from the same repository
+    if: github.event.pull_request.head.repo.full_name == github.repository
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Pin actions
+        uses: suzuki-shunsuke/pinact-action@cf51507d80d4d6522a07348e3d58790290eaf0b6 # v2.0.0
+        with:
+          skip_push: true
+          verify: true
+          min_age: 7

.github/workflows/release.yaml

@@ -15,6 +15,7 @@ jobs:
         uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.6.0
         with:
           go-version-file: go.mod
+          cache: false
 
       - name: Import GPG key
         id: import_gpg

.github/workflows/tests.yaml

@@ -18,6 +18,7 @@ jobs:
       uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.6.0
       with:
         go-version-file: go.mod
+        cache: false
 
     - name: golangci-lint
       continue-on-error: true

.github/workflows/zizmor.yaml

@@ -0,0 +1,32 @@
+name: Zizmor
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["**"]
+    paths:
+      - ".github/workflows/**"
+      - ".github/actions/**"
+
+permissions: {}
+
+jobs:
+  zizmor:
+    name: Run zizmor
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      actions: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+
+      - name: Run zizmor
+        uses: zizmorcore/zizmor-action@71321a20a9ded102f6e9ce5718a2fcec2c4f70d8 # v0.5.2
+        with:
+          advanced-security: false
+          annotations: true
+          min-severity: high