Moving to use of Git 2.26 version

The default is now Git 2.26.0. Let's update the files that use the
Git version.

Part of: https://gitlab.com/gitlab-org/gitaly/-/issues/2497

.gitlab-ci.yml

-image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.24-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
+image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
 
 stages:
   - sync

.gitlab/ci/frontend.gitlab-ci.yml

@@ -15,7 +15,7 @@
     - .default-retry
     - .default-before_script
     - .assets-compile-cache
-  image: registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-git-2.24-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-graphicsmagick-1.3.34-docker-19.03.1
+  image: registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-graphicsmagick-1.3.34-docker-19.03.1
   stage: prepare
   services:
     - docker:19.03.0-dind

.gitlab/ci/global.gitlab-ci.yml

@@ -38,7 +38,7 @@
     POSTGRES_HOST_AUTH_METHOD: trust
 
 .use-pg10:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.24-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
   services:
     - name: postgres:10.12
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -47,7 +47,7 @@
     POSTGRES_HOST_AUTH_METHOD: trust
 
 .use-pg11:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.24-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
   services:
     - name: postgres:11.6
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -65,7 +65,7 @@
     POSTGRES_HOST_AUTH_METHOD: trust
 
 .use-pg10-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.24-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
   services:
     - name: postgres:10.12
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -75,7 +75,7 @@
     POSTGRES_HOST_AUTH_METHOD: trust
 
 .use-pg11-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.24-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
   services:
     - name: postgres:11.6
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]

doc/install/installation.md

@@ -134,7 +134,7 @@ Make sure you have the right version of Git installed:
 # Install Git
 sudo apt-get install -y git-core
 
-# Make sure Git is version 2.24.1 or higher (minimal supported version is 2.22.0)
+# Make sure Git is version 2.26.0 or higher (minimal supported version is 2.22.0)
 git --version
 ```
 
@@ -171,9 +171,9 @@ sudo make install
 
 # Download and compile from source
 cd /tmp
-curl --remote-name --location --progress https://www.kernel.org/pub/software/scm/git/git-2.24.1.tar.gz
-echo 'ad5334956301c86841eb1e5b1bb20884a6bad89a10a6762c958220c7cf64da02  git-2.24.1.tar.gz' | shasum -a256 -c - && tar -xzf git-2.24.1.tar.gz
-cd git-2.24.1/
+curl --remote-name --location --progress https://www.kernel.org/pub/software/scm/git/git-2.26.0.tar.gz
+echo 'aa168c2318e7187cd295a645f7370cc6d71a324aafc932f80f00c780b6a26bed  git-2.26.0.tar.gz' | shasum -a256 -c - && tar -xzf git-2.26.0.tar.gz
+cd git-2.26.0/
 ./configure --with-libpcre
 make prefix=/usr/local all
 

spec/frontend/jobs/components/log/mock_data.js

@@ -34,7 +34,7 @@ export const utilsMockData = [
     content: [
       {
         text:
-          'Using Docker executor with image dev.gitlab.org:5005/gitlab/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.24-lfs-2.9-chrome-73.0-node-12.x-yarn-1.16-postgresql-9.6-graphicsmagick-1.3.34',
+          'Using Docker executor with image dev.gitlab.org:5005/gitlab/gitlab-build-images:ruby-2.6.5-golang-1.12-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.16-postgresql-9.6-graphicsmagick-1.3.34',
       },
     ],
     section: 'prepare-executor',