Upgrade install docs to use Git v2.29.0

Instruct users to use Git v2.29.0, which is the version which Gitaly is
going to make mandatory soonish. As the minimum requirements haven't
been changed yet, we also keep the documented current minimum version
requirement of v2.24.0 for now.

doc/install/installation.md

@@ -181,9 +181,9 @@ sudo make install
 
 # Download and compile from source
 cd /tmp
-curl --remote-name --location --progress https://www.kernel.org/pub/software/scm/git/git-2.28.0.tar.gz
-echo 'f914c60a874d466c1e18467c864a910dd4ea22281ba6d4d58077cb0c3f115170  git-2.28.0.tar.gz' | shasum -a256 -c - && tar -xzf git-2.28.0.tar.gz
-cd git-2.28.0/
+curl --remote-name --location --progress https://www.kernel.org/pub/software/scm/git/git-2.29.0.tar.gz
+echo 'fa08dc8424ef80c0f9bf307877f9e2e49f1a6049e873530d6747c2be770742ff  git-2.29.0.tar.gz' | shasum -a256 -c - && tar -xzf git-2.29.0.tar.gz
+cd git-2.29.0/
 ./configure --with-libpcre
 make prefix=/usr/local all
 

doc/update/upgrading_from_source.md

@@ -152,9 +152,9 @@ make install
 
 # Download and compile from source
 cd /tmp
-curl --remote-name --location --progress https://www.kernel.org/pub/software/scm/git/git-2.28.0.tar.gz
-echo 'f914c60a874d466c1e18467c864a910dd4ea22281ba6d4d58077cb0c3f115170  git-2.28.0.tar.gz' | shasum -a256 -c - && tar -xzf git-2.28.0.tar.gz
-cd git-2.28.0/
+curl --remote-name --location --progress https://www.kernel.org/pub/software/scm/git/git-2.29.0.tar.gz
+echo 'fa08dc8424ef80c0f9bf307877f9e2e49f1a6049e873530d6747c2be770742ff  git-2.29.0.tar.gz' | shasum -a256 -c - && tar -xzf git-2.29.0.tar.gz
+cd git-2.29.0/
 ./configure --with-libpcre
 make prefix=/usr/local all