Updating Backdrop to 1.29.3 security release.

[Wylbur]

Here's the latest official release of Backdrop CMS: /~https://github.com/backdrop/backdrop/releases/tag/1.29.3

Here's the latest update of the backdrop-docker repo, with the lastest updates:
/~https://github.com/backdrop-ops/backdrop-docker/commits/master

[github-actions]

Diff for 8136e35:

diff --git a/_bashbrew-cat b/_bashbrew-cat
index 93b1db6..94ec4a6 100644
--- a/_bashbrew-cat
+++ b/_bashbrew-cat
@@ -1,12 +1,12 @@
 Maintainers: Mike Pirog <mike@kalabox.io> (@pirog), Geoff St. Pierre <serundeputy@gmail.com> (@serundeputy), Jen Lampton <jen+docker@jeneration.com> (@jenlampton), Greg Netsas <greg@userfriendly.tech> (@klonos)
 GitRepo: /~https://github.com/backdrop-ops/backdrop-docker.git
 
-Tags: 1.29.1, 1.29, 1, 1.29.1-apache, 1.29-apache, 1-apache, apache, latest
+Tags: 1.29.3, 1.29, 1, 1.29.3-apache, 1.29-apache, 1-apache, apache, latest
 Architectures: amd64, arm64v8
-GitCommit: 4f986f41b86617411c52eefc86b59380312f1751
+GitCommit: 65dad6f2ee2a86b28b14d9dbf1578c62018cd681
 Directory: 1/apache
 
-Tags: 1.29.1-fpm, 1.29-fpm, 1-fpm, fpm
+Tags: 1.29.3-fpm, 1.29-fpm, 1-fpm, fpm
 Architectures: amd64, arm64v8
-GitCommit: 4f986f41b86617411c52eefc86b59380312f1751
+GitCommit: 65dad6f2ee2a86b28b14d9dbf1578c62018cd681
 Directory: 1/fpm
diff --git a/_bashbrew-list b/_bashbrew-list
index b5f815f..882daa5 100644
--- a/_bashbrew-list
+++ b/_bashbrew-list
@@ -4,9 +4,9 @@ backdrop:1-fpm
 backdrop:1.29
 backdrop:1.29-apache
 backdrop:1.29-fpm
-backdrop:1.29.1
-backdrop:1.29.1-apache
-backdrop:1.29.1-fpm
+backdrop:1.29.3
+backdrop:1.29.3-apache
+backdrop:1.29.3-fpm
 backdrop:apache
 backdrop:fpm
 backdrop:latest
diff --git a/backdrop_fpm/Dockerfile b/backdrop_fpm/Dockerfile
index 04dbdae..c472d05 100644
--- a/backdrop_fpm/Dockerfile
+++ b/backdrop_fpm/Dockerfile
@@ -10,8 +10,8 @@ RUN apt-get update && apt-get install -y libzip-dev libonig-dev libpng-dev libjp
 WORKDIR /var/www/html
 
 # /~https://github.com/backdrop/backdrop/releases
-ENV BACKDROP_VERSION=1.29.2
-ENV BACKDROP_MD5=dcb27feb72d78f1f14120d4c9a6bc70b
+ENV BACKDROP_VERSION=1.29.3
+ENV BACKDROP_MD5=edaca7afb7adf3785a97002ea5183407
 
 RUN curl -fSL "/~https://github.com/backdrop/backdrop/archive/${BACKDROP_VERSION}.tar.gz" -o backdrop.tar.gz \
 	&& echo "${BACKDROP_MD5} *backdrop.tar.gz" | md5sum -c - \
diff --git a/backdrop_latest/Dockerfile b/backdrop_latest/Dockerfile
index 1ce9aea..3282704 100644
--- a/backdrop_latest/Dockerfile
+++ b/backdrop_latest/Dockerfile
@@ -12,8 +12,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends libzip-dev libo
 WORKDIR /var/www/html
 
 # /~https://github.com/backdrop/backdrop/releases
-ENV BACKDROP_VERSION=1.29.2
-ENV BACKDROP_MD5=dcb27feb72d78f1f14120d4c9a6bc70b
+ENV BACKDROP_VERSION=1.29.3
+ENV BACKDROP_MD5=edaca7afb7adf3785a97002ea5183407
 
 RUN curl -fSL "/~https://github.com/backdrop/backdrop/archive/refs/tags/${BACKDROP_VERSION}.tar.gz" -o backdrop.tar.gz \
   && echo "${BACKDROP_MD5} *backdrop.tar.gz" | md5sum -c - \

Relevant Maintainers:

• backdrop: @pirog @serundeputy @jenlampton @klonos