chore(deps): update docker/setup-buildx-action action to v3.7.0 (#2641)

| datasource  | package                    | from   | to     |
| ----------- | -------------------------- | ------ | ------ |
| github-tags | docker/setup-buildx-action | v3.6.1 | v3.7.0 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[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@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
+        uses: docker/setup-buildx-action@8026d2bc3645ea78b0d2544766a1225eb5691f89 # v3.7.0
         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@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
+        uses: docker/setup-buildx-action@8026d2bc3645ea78b0d2544766a1225eb5691f89 # v3.7.0
 
       - 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@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
+        uses: docker/setup-buildx-action@8026d2bc3645ea78b0d2544766a1225eb5691f89 # v3.7.0
 
       - 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@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
+        uses: docker/setup-buildx-action@8026d2bc3645ea78b0d2544766a1225eb5691f89 # v3.7.0
 
       - name: NGF Docker meta
         id: ngf-meta