build(deps): bump the actions-updates group across 1 directory with 2 updates

Bumps the actions-updates group with 2 updates in the / directory: [step-security/harden-runner](https://github.com/step-security/harden-runner) and [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action).


Updates `step-security/harden-runner` from 2.19.1 to 2.19.4
- [Release notes](https://github.com/step-security/harden-runner/releases)
- [Commits](step-security/harden-runner@a5ad31d...9af89fc)

Updates `docker/setup-buildx-action` from 4.0.0 to 4.1.0
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@4d04d5d...d7f5e7f)

---
updated-dependencies:
- dependency-name: step-security/harden-runner
  dependency-version: 2.19.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions-updates
- dependency-name: docker/setup-buildx-action
  dependency-version: 4.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-updates
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/cache-refresh.yml

@@ -20,7 +20,7 @@ jobs:
       matrix: ${{ steps.list.outputs.matrix }}
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
+        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
         with:
           egress-policy: audit
       - name: list ccache entries
@@ -46,7 +46,7 @@ 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@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
         with:
           egress-policy: audit
       - name: restore ccache

.github/workflows/matrix.yml

@@ -20,7 +20,7 @@ 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@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
       with:
         egress-policy: audit
 
@@ -70,7 +70,7 @@ jobs:
       KERNEL_ARCH: "${{ matrix.builds.arch }}"
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
+        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
         with:
           egress-policy: audit
 
@@ -83,7 +83,7 @@ jobs:
       - name: docker setup linux-kernel-oci
         run: sudo python3 ./hack/build/docker-setup.py
       - name: docker setup buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
+        uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5 # v4.1.0
       - name: docker login ghcr.io
         uses: Wandalen/wretry.action@e68c23e6309f2871ca8ae4763e7629b9c258e1ea # v3.8.0
         with:
@@ -148,15 +148,15 @@ jobs:
       DIGESTS_DIR: digests
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@a5ad31d6a139d249332a2605b85202e8c0b78450 # v2.19.1
+        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
         with:
           egress-policy: audit
       - name: checkout repository
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
       - name: install cosign
         uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
       - name: docker setup buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
+        uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5 # v4.1.0
       - name: docker login ghcr.io
         uses: Wandalen/wretry.action@e68c23e6309f2871ca8ae4763e7629b9c258e1ea # v3.8.0
         with:

.github/workflows/refresh-nvidia.yml

@@ -13,7 +13,7 @@ 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@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
         with:
           egress-policy: audit
       - name: checkout repository