Bump docker/setup-buildx-action from 3.5.0 to 3.6.1 (#2304)

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.5.0 to 3.6.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@aa33708...988b5a0)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -46,7 +46,7 @@ jobs:
           key: nginx-gateway-fabric-${{ github.run_id }}-${{ github.run_number }}
 
       - name: Docker Buildx
-        uses: docker/setup-buildx-action@aa33708b10e362ff993539393ff100fa93ed6a27 # v3.5.0
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
         with:
           driver-opts: network=host
 

.github/workflows/conformance.yml

@@ -43,7 +43,7 @@ jobs:
         run: echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV
 
       - name: Docker Buildx
-        uses: docker/setup-buildx-action@aa33708b10e362ff993539393ff100fa93ed6a27 # v3.5.0
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
 
       - name: NGF Docker meta
         id: ngf-meta

.github/workflows/functional.yml

@@ -38,7 +38,7 @@ jobs:
         run: echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV
 
       - name: Docker Buildx
-        uses: docker/setup-buildx-action@aa33708b10e362ff993539393ff100fa93ed6a27 # v3.5.0
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
 
       - name: NGF Docker meta
         id: ngf-meta

.github/workflows/helm.yml

@@ -31,7 +31,7 @@ jobs:
           key: nginx-gateway-fabric-${{ github.run_id }}-${{ github.run_number }}
 
       - name: Docker Buildx
-        uses: docker/setup-buildx-action@aa33708b10e362ff993539393ff100fa93ed6a27 # v3.5.0
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
 
       - name: NGF Docker meta
         id: ngf-meta