Bump version to 1.2.0 (4)

Adds the CPU temperature on Apple Silicon and replaces the process table
with an NSTableView, which fixes the memory growth noted as a known issue
in 1.1.1.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

project.yml

@@ -33,8 +33,8 @@ targets:
         ASSETCATALOG_COMPILER_APPICON_NAME: AppIcon
         # The app version lives here. `xcodegen generate` rewrites Info.plist from
         # the `info` block below, so a version typed into Info.plist gets reset.
-        MARKETING_VERSION: "1.1.1"
-        CURRENT_PROJECT_VERSION: "3"
+        MARKETING_VERSION: "1.2.0"
+        CURRENT_PROJECT_VERSION: "4"
     info:
       path: TopManager/Info.plist
       properties: