Bump philipssoftware/logproxy in /logproxy-filter-test

Bumps philipssoftware/logproxy from v1.7.4 to v1.7.5.

---
updated-dependencies:
- dependency-name: philipssoftware/logproxy
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

logproxy-filter-test/Dockerfile

@@ -14,6 +14,6 @@ WORKDIR /plugin
 COPY . .
 RUN go build .
 
-FROM philipssoftware/logproxy:v1.7.4
+FROM philipssoftware/logproxy:v1.7.5
 RUN apk --no-cache add ca-certificates
 COPY --from=builder /plugin/logproxy-filter-test /app