Add tests / CI manifests for CMake builds (#80)

* More tests in manifests

* Apply suggestions from code review

* Update ci.yml

Author: anton-seaice

.github/build-ci/manifests/gcc-cice5-cmake.spack.yaml.j2

@@ -0,0 +1,11 @@
+spack:
+  specs:
+  - 'cice5@git.{{ ref }}=stable {{ om2_1deg }}'
+  packages:
+    all:
+      require:
+      - '%{{ gcc_compiler }}'
+      - 'target={{ target }}'
+  concretizer:
+    unify: false
+  view: false

.github/build-ci/manifests/intel-cice5-cmake.spack.yaml.j2

@@ -0,0 +1,12 @@
+spack:
+  specs:
+  - 'cice5@git.{{ ref }}=stable {{ om2_1deg }}'
+  - 'cice5@git.{{ ref }}=stable build_type=Debug {{ om2_1deg }}'
+  packages:
+    all:
+      require:
+      - '%{{ intel_compiler }}'
+      - 'target={{ target }}'
+  concretizer:
+    unify: false
+  view: false

.github/build-ci/manifests/oneapi-cice5-cmake.spack.yaml.j2

@@ -0,0 +1,16 @@
+spack:
+  specs:
+  - 'cice5@git.{{ ref }}=stable {{ om2_1deg }} io_type=PIO ^openmpi@4'
+  - 'cice5@git.{{ ref }}=stable {{ om2_1deg }} io_type=NetCDF ^openmpi@5'
+  - 'cice5@git.{{ ref }}=stable build_type=Debug {{ om2_1deg }}'
+  packages:
+    gcc-runtime:
+      require:
+        '%gcc'
+    all:
+      require:
+      - '%{{ oneapi_compiler }}'
+      - 'target={{ target }}'
+  concretizer:
+    unify: false
+  view: false