chore(deps): update step-security/harden-runner action to v2.19.3

Author: renovate[bot]

.github/workflows/chatacter.yml

@@ -8,7 +8,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Harden the runner (Audit all outbound calls)
-              uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
+              uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
               with:
                 egress-policy: audit
             - name: Checkout
@@ -23,7 +23,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Harden the runner (Audit all outbound calls)
-              uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
+              uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
               with:
                 egress-policy: audit
             - uses: actions/checkout@v6.0.2