ci: 3.0 release

BREAKING CHANGES
refactor: removed aria attributes which have a 1:1 mapping #4476
refactor: align how to use a DBCard as button or link #4506
refactor: variables for transparent-hovered/-pressed #4565
refactor: changed and added container and screen sizes #4486
renamed the data-icon-after and data-icon-before properties to data-icon-trailing and data-icon-leading with feat: add trailing icon for button #4474 (BREAKING CHANGE when integrated HTML code directly)
refactor: renamed data-hide-icon to data-show-icon to match property #4568 (BREAKING CHANGE when integrated HTML code directly)
Besides our main library, we've updated the DB Theme with changes to the iconset:

updated DB UX Theme with removed, renamed and new icons
Added
feat: add trailing icon for button #4474
feat: add multiple property for input[type=file] #4513
feat: add link property wrap #4540
feat: added playground page #4551
Changed
refactor: use button type for react and vue based on click listener #4490
chore: remove button state property #4501

Author: mfranzke

.config/.jscpd.json

@@ -3,6 +3,7 @@
 	"reporters": ["console"],
 	"minTokens": 65,
 	"ignore": [
+		"showcases/patternhub/public/assets/images/*.svg",
 		"**/.angular/**",
 		".history/**",
 		"**/__snapshots__/**",

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -9,6 +9,8 @@ body:
       value: |
         Thank you for taking the time to fill out this bug report! Feedback from the community is highly valuable to us, as it helps improve our work and benefits all users. 🙂
 
+        We would be more than happy if you could share a URL if the problem occurs in our [documentation](https://design-system.deutschebahn.com/core-web/), or at least some code. Even better would be a [working example on StackBlitz or CodeSandbox](https://design-system.deutschebahn.com/core-web/version/latest/foundations/playgrounds). Please keep in mind not to share any internal information or data this way. This includes internal URLs. Only use sample material.
+
   - type: checkboxes
     id: component
     attributes: