Update alpine Docker tag to v3.17

Author: renovate[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.13@sha256:ccf92aa53bc6c3b25be2ad0cce80baec1778f007f7e076b0ffbd1b225d0b3a9b AS builder
+FROM alpine:3.17@sha256:36a03c95c2f0c83775d500101869054b927143a8320728f0e135dc151cb8ae61 AS builder
 
 ENV GIT_CRYPT_VERSION 0.6.0
 ENV GIT_CRYPT_CHECKSUM 777c0c7aadbbc758b69aff1339ca61697011ef7b92f1d1ee9518a8ee7702bb78
@@ -17,7 +17,7 @@ RUN curl -fSsL https://github.com/AGWA/git-crypt/archive/$GIT_CRYPT_VERSION.tar.
     && make \
     && make install PREFIX=/usr
 
-FROM alpine:3.13@sha256:ccf92aa53bc6c3b25be2ad0cce80baec1778f007f7e076b0ffbd1b225d0b3a9b
+FROM alpine:3.17@sha256:36a03c95c2f0c83775d500101869054b927143a8320728f0e135dc151cb8ae61
 
 RUN apk --update --no-cache add \
     git \