fix: Docs release workflow (#4534)

Apparently the regex syntax `\d` may or maybe not supported.

I have replaced it with a standardized `[0-9]` instead

Author: simonswine

.github/workflows/publish-technical-documentation-release.yml

@@ -25,7 +25,7 @@ jobs:
           fetch-depth: 0
       - uses: grafana/writers-toolkit/publish-technical-documentation-release@b51e92f99d145614bf6763c7c4f1920a03124693
         with:
-          release_tag_regexp: "^v(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)$"
-          release_branch_regexp: "^release/v(0|[1-9]\\d*)\\.(0|[1-9]\\d*)$"
-          release_branch_with_patch_regexp: "^release/v(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)$"
+          release_tag_regexp: "^v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)$"
+          release_branch_regexp: "^release/v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)$"
+          release_branch_with_patch_regexp: "^release/v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)$"
           website_directory: content/docs/pyroscope