OpkMan: Update version list.
Opkman: Add Lazarus 2.4 to supported version list
Opkman: Change version support.
Renaming TVirtualStringTree to TLazVirtualStringTree and TVirtualDrawTree to TLazVirtualDrawTree to prevent conflict with an external version of the package
OpkMan: Switch to Openssl 1.1.1o
IDE: Make Lazarus directory available for packages.
OpkMan: Skip clean directory for PL packages.
Merge branch 'main' of gitlab.com:freepascal.org/lazarus/lazarus into main