Update modernize-dotnet plugin to 1.0.1026-preview1#1359

anvillan wants to merge 2 commits intogithub:stagedgithub/awesome-copilot:stagedfrom

tlmii:anvillan/update-modernize-dotnet-1.0.1026-preview1tlmii/awesome-copilot:anvillan/update-modernize-dotnet-1.0.1026-preview1Copy head branch name to clipboard