Merge #236: ci: Install binary package capnproto on OpenBSD instead of building it

1ee9093 ci: Install binary package `capnproto` on OpenBSD instead of building it (Hennadii Stepanov)

Pull request description:

  OpenBSD 7.8 now provides a binary package for [`capnproto`](https://www.ports.to/path/devel/capnproto.html).

ACKs for top commit:
  maflcko:
    lgtm ACK 1ee9093
  Sjors:
    utACK 1ee9093
  ryanofsky:
    Code review ACK 1ee9093. Nice simplification!

Tree-SHA512: 170eb2dacdf889a06d0df1929ff8db28ef95bc53611d1a4482c69f3724ffeddb69bca8cc7dbbdf338df6bf235b4660a0e148bb441de6e7fb486103b990c5741b

Author: ryanofsky

.github/workflows/ci.yml

@@ -18,17 +18,10 @@ jobs:
         uses: vmactions/openbsd-vm@v1
         with:
           prepare: |
-            pkg_add -v cmake ninja git bash
-          run: |
-            git clone --depth=1 https://codeberg.org/OpenBSD/ports.git /usr/ports
+            pkg_add -v cmake ninja bash capnproto
           sync: 'rsync'
           copyback: false
 
-      - name: Install capnproto
-        run: |
-          cd /usr/ports/devel/capnproto/
-          make install
-
       - name: Run CI script
         run: |
           cd ${{ github.workspace }}