chore: apply security best practices from step security (#97)

Signed-off-by: StepSecurity Bot <bot@stepsecurity.io>
Co-authored-by: stepsecurity-app[bot] <188008098+stepsecurity-app[bot]@users.noreply.github.com>

Author: stepsecurity-app[bot]

.github/workflows/release-please.yaml

@@ -13,7 +13,12 @@ jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: googleapis/release-please-action@v4
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
+        with:
+          egress-policy: audit
+
+      - uses: googleapis/release-please-action@c2a5a2bd6a758a0937f1ddb1e8950609867ed15c # v4.3.0
         with:
           # this assumes that you have created a personal access token
           # (PAT) and configured it as a GitHub action secret named

.github/workflows/tests.yaml

@@ -11,8 +11,13 @@ jobs:
     name: Unit
     runs-on: 'ubuntu-22.04'
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
+        with:
+          egress-policy: audit
+
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
         with:
           go-version-file: 'go.mod'            
       - run: go version

.github/workflows/verify.yaml

@@ -12,8 +12,13 @@ jobs:
     name: Correct generated files
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
+        with:
+          egress-policy: audit
+
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
         with:
           go-version-file: 'go.mod'            
       - run: go version
@@ -39,12 +44,17 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-go@v5
+      - name: Harden the runner (Audit all outbound calls)
+        uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
+        with:
+          egress-policy: audit
+
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
         with:
           go-version-file: 'go.mod'            
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8.0.0
         with:
           version: v2.1.6
           args: -v