CI: Update LibreSSL CI

LibreSSL 3.7 is out of support, so replace it with just released 4.0.
Bump 3.9 branch to 3.9.2 and 3.8 branch to 3.8.4.

Author: botovq

.github/workflows/ci.yml

@@ -184,17 +184,17 @@ jobs:
               bindgen: true
               library:
                 name: libressl
-                version: 3.7.3
+                version: 3.8.4
             - target: x86_64-unknown-linux-gnu
               bindgen: true
               library:
                 name: libressl
-                version: 3.8.3
+                version: 3.9.2
             - target: x86_64-unknown-linux-gnu
               bindgen: true
               library:
                 name: libressl
-                version: 3.9.1
+                version: 4.0.0
             - target: x86_64-unknown-linux-gnu
               bindgen: false
               library:
@@ -204,17 +204,17 @@ jobs:
               bindgen: false
               library:
                 name: libressl
-                version: 3.7.3
+                version: 3.8.4
             - target: x86_64-unknown-linux-gnu
               bindgen: false
               library:
                 name: libressl
-                version: 3.8.3
+                version: 3.9.2
             - target: x86_64-unknown-linux-gnu
               bindgen: false
               library:
                 name: libressl
-                version: 3.9.1
+                version: 4.0.0
       name: ${{ matrix.target }}-${{ matrix.library.name }}-${{ matrix.library.version }}-${{ matrix.bindgen }}
       runs-on: ubuntu-latest
       env: