Maintenance release

Maintenance release

• Fixed some spellings. PR #1742. from @dforsi
• Rotator Controller: Use floats for az/el offsets. PR #1744. Fixes #1739. from @srcejon
• Switch to codec2-dev repo to access v1.0.3 tag. PR #1746. Fixes #1741. from @srcejon
• Move find_package from external/CMakeLists.txt to root CMakeLists.txt. PR #1750. from @srcejon
• Have some libraries and plugins built in the Ubuntu package. PR #1750. Fixes #1740. from @srcejon
• Remove external projects from .deb. PR #1754. Fixes #1740. from @srcejon
• OpenGL code: Clear with alpha=1 to fix #1735. PR #1735. from @srcejon
• DSD demod UI: Connect slot 1/2 on/off buttons. PR #1758. Fixes #1752. from @srcejon
• Use texture() instead of texture2d() in v330 shaders, so they work on Mac. PR #1759. Fixes #1757. from @srcejon

Binary artifacts

For more details on artifacts and their contents please read the quick start in the Wiki.
Note that Ubuntu .deb package is for 22.04. Please note that SSE 4.2 is required.