ci: update matrix strategy for osx testing

It has been decided to have only release and debug builds for testing
on two latest macOS versions (at this momemnt, 13 and 14). Static and
LTO builds are dropped.

NO_DOC=ci
NO_TEST=ci
NO_CHANGELOG=ci

(cherry picked from commit 47940311)

.github/workflows/osx.yml

@@ -17,34 +17,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        osx-version: [ 14 ]
+        osx-version: [ 13, 14 ]
         machine-arch: [ x86_64, aarch64 ]
         tarantool-branch:
           - 'master'
           - 'release/3.0'
           - 'release/2.11'
           - 'release/2.10'
-        build-type: [ debug, release, release-lto, static-cmake ]
-        include:
-          - osx-version: 13
-            machine-arch: x86_64
-            tarantool-branch: 'master'
-            build-type: release
-          - osx-version: 13
-            machine-arch: x86_64
-            tarantool-branch: 'release/3.0'
-            build-type: release
-          - osx-version: 13
-            machine-arch: x86_64
-            tarantool-branch: 'release/2.11'
-            build-type: release
-          - osx-version: 13
-            machine-arch: x86_64
-            tarantool-branch: 'release/2.10'
-            build-type: release
-
-    env:
-      BUILD_TYPE: ${{ matrix.build-type }}
+        build-type: [ debug, release ]
 
     steps:
       - name: Prepare checkout
@@ -62,14 +42,8 @@ jobs:
       - name: Install deps
         uses: ./.github/actions/install-deps-osx
 
-      - name: Enable LTO for build
-        if: endsWith(matrix.build-type, '-lto')
-        run: |
-          echo "BUILD_TYPE=${BUILD_TYPE/-lto/}" >> $GITHUB_ENV
-          echo "CMAKE_EXTRA_PARAMS=-DENABLE_LTO=ON" >> $GITHUB_ENV
-
       - name: Run testing
-        run: make -f .test.mk test-osx-${{ env.BUILD_TYPE }}
+        run: make -f .test.mk test-osx-${{ matrix.build-type }}
 
       - name: Send VK Teams message on failure
         if: failure()
@@ -117,7 +91,7 @@ jobs:
         #
         # For some reason, sometimes GitHub doesn't give the complete job list
         # and there is no chance to find the job and get its ID. At least, it
-        # has been noticed for this workflow with 36 parallel jobs.
+        # has been noticed for this workflow with 32 parallel jobs.
         #
         # It looks like the issue resides on the GitHub side and the simplest
         # way to resolve this is to ignore the failure and not fail the whole