pages*: fix brand and technical names (#12145)

* pages*: fix Python, Java, pacman, apt, *zip*, xz, tar, git, RPM and grep names

* pages*: fix brand and technical names

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* fluxctl, gitmoji, in-toto-run, osv-scanner: replace `git` with Git

* bzegrep: enclose egrep with backticks

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* git-bug: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* git-bug: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* git-force-clone: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* gitwatch: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* hub-init: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* pages.*: use Linux instead of GNU/Linux

---------

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

pages/common/bzegrep.md

@@ -1,6 +1,6 @@
 # bzegrep
 
-> Find extended regular expression patterns in bzip2 compressed files using egrep.
+> Find extended regular expression patterns in `bzip2` compressed files using `egrep`.
 > More information: <https://manned.org/bzegrep>.
 
 - Search for extended regular expressions (supporting `?`, `+`, `{}`, `()` and `|`) in a compressed file (case-sensitive):
@@ -23,6 +23,6 @@
 
 `bzegrep --only-matching "{{search_pattern}}" {{path/to/file}}`
 
-- Recursively search files in a bzip2 compressed tar archive for a pattern:
+- Recursively search files in a `bzip2` compressed `tar` archive for a pattern:
 
 `bzegrep --recursive "{{search_pattern}}" {{path/to/file}}`