Bump csharpier from 1.2.1 to 1.2.6 (#310)

* Bump csharpier from 1.2.1 to 1.2.6

---
updated-dependencies:
- dependency-name: csharpier
  dependency-version: 1.2.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* fix: add explicit bash shell to publishPlugin step

Ensures consistent shell behavior across GitHub Actions runners.

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Martin Oehlert <mo1987@gmx.net>

Author: dependabot[bot]

.config/dotnet-tools.json

@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "csharpier": {
-      "version": "1.2.1",
+      "version": "1.2.6",
       "commands": [
         "csharpier"
       ]

.github/workflows/main.yml

@@ -42,6 +42,7 @@ jobs:
 
       - name: Build & Publish Plugin
         if: github.ref == 'refs/heads/master'
+        shell: bash
         run: ./gradlew publishPlugin -PBuildConfiguration="Release" -PPublishToken="$PUBLISH_KEY" --parallel --build-cache
         env:
           PUBLISH_KEY: ${{ secrets.PublishKey }}