fix(ci): fix the project version extraction

Author: akshettrj

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
     - name: Get Project Version
       id: get_version
       run: |
-        echo "version=$(grep -oP 'WATGBRIDGE_VERSION = \"\K[0-9]+\.[0-9]+\.[0-9]+' state/state.go)" >> $GITHUB_OUTPUT
+        echo "version=$(cat state/version.txt | tr -d '\n')" >> $GITHUB_OUTPUT
 
     - name: Create Release for amd64
       if: always()
@@ -70,7 +70,7 @@ jobs:
     - name: Get Project Version
       id: get_version
       run: |
-        echo "version=$(grep -oP 'WATGBRIDGE_VERSION = \"\K[0-9]+\.[0-9]+\.[0-9]+' state/state.go)" >> $GITHUB_OUTPUT
+        echo "version=$(cat state/version.txt | tr -d '\n')" >> $GITHUB_OUTPUT
 
     - name: Create Release for arm64
       if: always()