Infra: Improve create release step with regex matching (#2092)

Bash apparently support regex with the `=~` operator, so we can have a
more robust check here. This will only accept version strings that are
in the format `0.<version>` where `<version>` is a number with 3 or more
digits.

Author: vrn-sn

.github/workflows/new-release.yml

@@ -18,8 +18,8 @@ jobs:
     steps:
       - name: validate version format
         run: |
-          if [[ ! "${{ github.event.inputs.version }}" == *"."* ]]; then
-            echo "Error: Version must contain a '.'"
+          if [[ ! "${{ github.event.inputs.version }}" =~ ^0\.[0-9]{3,}$ ]]; then
+            echo "Error: Version must be in the format 0.XYZ"
             exit 1
           fi
       - name: create release