ci: drop redundant versioningTool input (MinVer is now unconditional)

The shared workflows no longer accept versioningTool; MinVer always runs. The
minverMinimumMajorMinor floor still applies.

Author: glennawatson

.github/workflows/release.yml

@@ -22,7 +22,6 @@ jobs:
     uses: reactiveui/actions-common/.github/workflows/workflow-common-release.yml@main
     with:
       solutionFile: Splat.DI.SourceGenerator.slnx
-      versioningTool: minver
       minverMinimumMajorMinor: '2.3'
       bump: ${{ inputs.bump }}
     secrets: