Update kapacitor images for 1.5.7

[docmerlin]

Update kapacitor images for 1.5.7

[github-actions]

Diff for 6a15232:

diff --git a/_bashbrew-cat b/_bashbrew-cat
index 1cc2d08..ef3e0d3 100644
--- a/_bashbrew-cat
+++ b/_bashbrew-cat
@@ -1,6 +1,6 @@
 Maintainers: Jonathan A. Sternberg <jonathan@influxdata.com> (@jsternberg), j. Emrys Landivar <landivar@gmail.com> (@docmerlin)
 GitRepo: git://github.com/influxdata/influxdata-docker
-GitCommit: 263a5cb0750cb7d88512e2f1a670b098e7ce9bf1
+GitCommit: 832dc4b782cdddf5fb0b1362f7afe25a5491aa3f
 
 Tags: 1.4, 1.4.1
 Architectures: amd64, arm32v7, arm64v8
@@ -9,9 +9,9 @@ Directory: kapacitor/1.4
 Tags: 1.4-alpine, 1.4.1-alpine
 Directory: kapacitor/1.4/alpine
 
-Tags: 1.5, 1.5.6, latest
+Tags: 1.5, 1.5.7, latest
 Architectures: amd64, arm32v7, arm64v8
 Directory: kapacitor/1.5
 
-Tags: 1.5-alpine, 1.5.6-alpine, alpine
+Tags: 1.5-alpine, 1.5.7-alpine, alpine
 Directory: kapacitor/1.5/alpine
diff --git a/_bashbrew-list b/_bashbrew-list
index d69fff5..faf707a 100644
--- a/_bashbrew-list
+++ b/_bashbrew-list
@@ -4,7 +4,7 @@ kapacitor:1.4.1
 kapacitor:1.4.1-alpine
 kapacitor:1.5
 kapacitor:1.5-alpine
-kapacitor:1.5.6
-kapacitor:1.5.6-alpine
+kapacitor:1.5.7
+kapacitor:1.5.7-alpine
 kapacitor:alpine
 kapacitor:latest
diff --git a/kapacitor_alpine/Dockerfile b/kapacitor_alpine/Dockerfile
index 64af7c6..9680856 100644
--- a/kapacitor_alpine/Dockerfile
+++ b/kapacitor_alpine/Dockerfile
@@ -4,7 +4,7 @@ RUN echo 'hosts: files dns' >> /etc/nsswitch.conf
 RUN apk add --no-cache ca-certificates && \
     update-ca-certificates
 
-ENV KAPACITOR_VERSION 1.5.6
+ENV KAPACITOR_VERSION 1.5.7
 
 RUN set -ex && \
     mkdir ~/.gnupg; \
diff --git a/kapacitor_latest/Dockerfile b/kapacitor_latest/Dockerfile
index 6c8cd57..25ce93d 100644
--- a/kapacitor_latest/Dockerfile
+++ b/kapacitor_latest/Dockerfile
@@ -16,7 +16,7 @@ RUN set -ex && \
         gpg --keyserver keyserver.pgp.com --recv-keys "$key" ; \
     done
 
-ENV KAPACITOR_VERSION 1.5.6
+ENV KAPACITOR_VERSION 1.5.7
 RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" && \
     case "${dpkgArch##*-}" in \
       amd64) ARCH='amd64';; \