chore(deps): bump alpine from 4b7ce07 to 51183f2

Bumps alpine from `4b7ce07` to `51183f2`.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: 51183f2cfa6320055da30872f211093f9ff1d3cf06f39a0bdb212314c5dc7375
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Dockerfile

@@ -1,6 +1,6 @@
 # Pin the latest Alpine 3
 # https://github.com/docker-library/repo-info/blob/master/repos/alpine/remote/3.md
 
-FROM alpine@sha256:4b7ce07002c69e8f3d704a9c5d6fd3053be500b7f1c69fc0d80990c2ad8dd412
+FROM alpine@sha256:51183f2cfa6320055da30872f211093f9ff1d3cf06f39a0bdb212314c5dc7375
 ARG AGENT_DIR
 COPY ${AGENT_DIR} /opt/nodejs