chore: Prepare release v0.5.0-rc.3

[christian-kreuzberger-dtx]

Preparing release v0.5.0-rc.3

See CHANGELOG.md for details, but basically this contains the next step in converting the "old" environment-api calls to DQL statements.

[github-actions]

📦 Package.json Changes Detected

This PR modifies package.json. Please review the following changes carefully, and tick the following checklist boxes:

Checklist for Reviewers

• Verify that new and/or updated dependencies are necessary and from trusted sources
• Review any script changes for (security) implications
• Verify whether a new version should be released after merging the PR

Package.json Diff

diff --git a/package.json b/package.json
index e7f71af..8b99c44 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@dynatrace-oss/dynatrace-mcp-server",
-  "version": "0.5.0-rc.2",
+  "version": "0.5.0-rc.3",
   "description": "Model Context Protocol (MCP) server for Dynatrace",
   "keywords": [
     "Dynatrace",

---

This comment was automatically generated by the PR Package.json Comment workflow.