Bump protocol-http1 from 0.15.0 to 0.15.1 in /examples/google

Bumps [protocol-http1](https://github.com/socketry/protocol-http1) from 0.15.0 to 0.15.1.
- [Changelog](https://github.com/socketry/protocol-http1/blob/main/release.cert)
- [Commits](socketry/protocol-http1@v0.15.0...v0.15.1)

---
updated-dependencies:
- dependency-name: protocol-http1
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

examples/google/gems.locked

@@ -22,8 +22,8 @@ GEM
     fiber-local (1.0.0)
     io-event (1.1.6)
     protocol-hpack (1.4.2)
-    protocol-http (0.24.1)
-    protocol-http1 (0.15.0)
+    protocol-http (0.24.7)
+    protocol-http1 (0.15.1)
       protocol-http (~> 0.22)
     protocol-http2 (0.15.1)
       protocol-hpack (~> 1.4)