chore: bump step-security/harden-runner to v2.19.0

Pin to 8d3c67de8e2fe68ef647c8db1e6a09f647780f40 (v2.19.0), latest
release. Part of an org-wide harden-runner audit to bring workflows
up to the ≥v2.17.0 policy bar.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: antitree

.github/workflows/actionlint.yaml

@@ -21,7 +21,7 @@ jobs:
     name: Action lint
     runs-on: ubuntu-latest
     steps:
-      - uses: step-security/harden-runner@6c3c2f2c1c457b00c10c4848d6f5491db3b629df # v2.18.0
+      - uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
         with:
           egress-policy: block
           allowed-endpoints: >

.github/workflows/create-release.yaml

@@ -23,7 +23,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@6c3c2f2c1c457b00c10c4848d6f5491db3b629df # v2.18.0
+        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
         with:
           egress-policy: audit
 
@@ -75,7 +75,7 @@ jobs:
           echo "tag=v${VERSION}" >> "$GITHUB_OUTPUT"
 
       - name: Harden Runner
-        uses: step-security/harden-runner@6c3c2f2c1c457b00c10c4848d6f5491db3b629df # v2.18.0
+        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
         with:
           egress-policy: audit
 

.github/workflows/e2e.yaml

@@ -31,7 +31,7 @@ jobs:
       contents: read
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@6c3c2f2c1c457b00c10c4848d6f5491db3b629df # v2.18.0
+        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
         with:
           egress-policy: block
           allowed-endpoints: >

.github/workflows/prepare-release.yaml

@@ -35,7 +35,7 @@ jobs:
           fi
 
       - name: Harden Runner
-        uses: step-security/harden-runner@6c3c2f2c1c457b00c10c4848d6f5491db3b629df # v2.18.0
+        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
         with:
           egress-policy: audit
 

.github/workflows/update-ca-cert.yaml

@@ -35,7 +35,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Harden Runner
-        uses: step-security/harden-runner@6c3c2f2c1c457b00c10c4848d6f5491db3b629df # v2.18.0
+        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
         with:
           egress-policy: audit
       - name: Generate token for PR

.github/workflows/zizmor.yaml

@@ -26,7 +26,7 @@ jobs:
       contents: read # Clone the repository
       security-events: write # Upload SARIF results to Code Scanning
     steps:
-      - uses: step-security/harden-runner@6c3c2f2c1c457b00c10c4848d6f5491db3b629df # v2.18.0
+      - uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
         with:
           egress-policy: block
           allowed-endpoints: >