CI: haiku: fix openssl dependency

- haiku r1beta5 has openssl 3.0, install openssl 3.5.6 packages from current master
- let pkg-config find openssl

Author: ThomasWaldmann

.github/workflows/ci.yml

@@ -447,10 +447,12 @@ jobs:
               haiku)
                 pkgman refresh
                 pkgman install -y git pkgconfig lz4
-                pkgman install -y openssl3
                 pkgman install -y rust_bin
-                pkgman install -y python3.10
-                pkgman install -y lz4_devel openssl3_devel
+                pkgman install -y python3.10 lz4_devel
+                # haiku r1beta5 has OpenSSL 3.0.14, so we manually pull 3.5.6 from current master:
+                curl -L -O https://eu.hpkg.haiku-os.org/haikuports/master/x86_64/current/packages/openssl3-3.5.6-1-x86_64.hpkg
+                curl -L -O https://eu.hpkg.haiku-os.org/haikuports/master/x86_64/current/packages/openssl3_devel-3.5.6-1-x86_64.hpkg
+                pkgman install -y openssl3-3.5.6-1-x86_64.hpkg openssl3_devel-3.5.6-1-x86_64.hpkg
 
                 # there is no pkgman package for tox, so we install it into a venv
                 python3 -m ensurepip --upgrade
@@ -460,7 +462,6 @@ jobs:
 
                 export PKG_CONFIG_PATH="/system/develop/lib/pkgconfig:/system/lib/pkgconfig:${PKG_CONFIG_PATH:-}"
                 export BORG_LIBLZ4_PREFIX=/system/develop
-                export BORG_OPENSSL_PREFIX=/system/develop
                 pip install -r requirements.d/development.lock.txt
                 pip install -e .