Feature: Use system certificate stores/custom pkcs12 file (#3675)

* for Windows use Windows certificate
* for macOS use macOS Keychain
* for Linux use a custom PKCS12 file under /etc/cryptomator/certs.p12

.github/workflows/appimage.yml

@@ -116,6 +116,7 @@ jobs:
           --java-options "-Dcryptomator.showTrayIcon=true"
           --java-options "-Dcryptomator.integrationsLinux.trayIconsDir=\"@{appdir}/usr/share/icons/hicolor/symbolic/apps\""
           --java-options "-Dcryptomator.buildNumber=\"appimage-${{  needs.get-version.outputs.revNum }}\""
+          --java-options "-Dcryptomator.networking.truststore.p12Path=\"/etc/cryptomator/certs.p12\""
           --resource-dir dist/linux/resources
       - name: Patch Cryptomator.AppDir
         run: |

.github/workflows/win-exe.yml

@@ -89,7 +89,7 @@ jobs:
           --verbose
           --output runtime
           --module-path "jfxjmods;${JAVA_HOME}/jmods"
-          --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.unsupported,jdk.accessibility,jdk.management.jfr,java.compiler
+          --add-modules java.base,java.desktop,java.instrument,java.logging,java.naming,java.net.http,java.scripting,java.sql,java.xml,javafx.base,javafx.graphics,javafx.controls,javafx.fxml,jdk.crypto.mscapi,jdk.unsupported,jdk.accessibility,jdk.management.jfr,java.compiler
           --strip-native-commands
           --no-header-files
           --no-man-pages