Update CI to only deploy webflasher on tags starting with v*

.github/workflows/build.yml

@@ -95,14 +95,17 @@ jobs:
           cd micropython/ports/esp32
           python -m esptool --chip esp32s3 -b 460800 merge_bin -o merged-firmware.bin --flash_mode dio --flash_size 8MB --flash_freq 80m 0x0 build-tildagon/bootloader/bootloader.bin 0x8000 build-tildagon/partition_table/partition-table.bin 0xd000 build-tildagon/ota_data_initial.bin 0x10000 build-tildagon/micropython.bin
           cp merged-firmware.bin $GITHUB_WORKSPACE/flasher/
+        if: startsWith(github.event.ref, 'refs/tags/v')
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/upload-pages-artifact@v3 # or specific "vX.X.X" version tag for this action
         with:
           path: ./flasher
+        if: startsWith(github.event.ref, 'refs/tags/v')
   deploy:
+    if: startsWith(github.event.ref, 'refs/tags/v')
     needs: Build-Firmware
-
+        
     permissions:
       pages: write      # to deploy to Pages
       id-token: write   # to verify the deployment originates from an appropriate source
@@ -117,4 +120,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4 # or specific "vX.X.X" version tag for this action
+        uses: actions/deploy-pages@v4 # or specific "vX.X.X" version tag for this action