Merge pull request #478 from docker/bot/buildx-releases-json

Update `.github/buildx-releases.json`

.github/buildx-releases.json

@@ -40,6 +40,47 @@
       "https://github.com/docker/buildx/releases/download/v0.17.1/checksums.txt"
     ]
   },
+  "v0.18.0-rc3": {
+    "id": 182564109,
+    "tag_name": "v0.18.0-rc3",
+    "html_url": "https://github.com/docker/buildx/releases/tag/v0.18.0-rc3",
+    "assets": [
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.darwin-amd64",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.darwin-amd64.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.darwin-amd64.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.darwin-arm64",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.darwin-arm64.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.darwin-arm64.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-amd64",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-amd64.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-amd64.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-arm-v6",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-arm-v6.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-arm-v6.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-arm-v7",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-arm-v7.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-arm-v7.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-arm64",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-arm64.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-arm64.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-ppc64le",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-ppc64le.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-ppc64le.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-riscv64",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-riscv64.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-riscv64.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-s390x",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-s390x.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.linux-s390x.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.windows-amd64.exe",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.windows-amd64.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.windows-amd64.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.windows-arm64.exe",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.windows-arm64.provenance.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/buildx-v0.18.0-rc3.windows-arm64.sbom.json",
+      "https://github.com/docker/buildx/releases/download/v0.18.0-rc3/checksums.txt"
+    ]
+  },
   "v0.18.0-rc2": {
     "id": 182417114,
     "tag_name": "v0.18.0-rc2",