CI: Set up temporary opt-out Vulkan support (#12614)

Initially Vulkan support in Ollama will require building from source.  Once it is
more thoroughly tested and we have fixed any critical bugs, then we can
bundle Vulkan into the official binary releases.

.github/workflows/release.yaml

@@ -237,13 +237,13 @@ jobs:
         include:
           - os: linux
             arch: amd64
-            target: archive
+            target: archive_novulkan
           - os: linux
             arch: amd64
             target: rocm
           - os: linux
             arch: arm64
-            target: archive
+            target: archive_novulkan
     runs-on: ${{ matrix.arch == 'arm64' && format('{0}-{1}', matrix.os, matrix.arch) || matrix.os }}
     environment: release
     needs: setup-environment
@@ -299,12 +299,14 @@ jobs:
         include:
           - os: linux
             arch: arm64
+            target: novulkan
             build-args: |
               CGO_CFLAGS
               CGO_CXXFLAGS
               GOFLAGS
           - os: linux
             arch: amd64
+            target: novulkan
             build-args: |
               CGO_CFLAGS
               CGO_CXXFLAGS
@@ -317,6 +319,14 @@ jobs:
               CGO_CXXFLAGS
               GOFLAGS
               FLAVOR=rocm
+          - os: linux
+            arch: amd64
+            suffix: '-vulkan'
+            target: default
+            build-args: |
+              CGO_CFLAGS
+              CGO_CXXFLAGS
+              GOFLAGS
     runs-on: ${{ matrix.arch == 'arm64' && format('{0}-{1}', matrix.os, matrix.arch) || matrix.os }}
     environment: release
     needs: setup-environment
@@ -334,6 +344,7 @@ jobs:
         with:
           context: .
           platforms: ${{ matrix.os }}/${{ matrix.arch }}
+          target: ${{ matrix.target }}
           build-args: ${{ matrix.build-args }}
           outputs: type=image,name=${{ vars.DOCKER_REPO }},push-by-digest=true,name-canonical=true,push=true
           cache-from: type=registry,ref=${{ vars.DOCKER_REPO }}:latest