fix: Update bash and zsh Autocompletion Documents to add -m

`-m` is short for `--manifest-path`, and must be added in places where `--manifest-path` could be accepted.

Author: bushrat011899

src/etc/_cargo

@@ -64,7 +64,7 @@ _cargo() {
     msgfmt='--message-format=[specify error format]:error format [human]:(human json short)'
     triple='--target=[specify target triple]:target triple:_cargo_target_triple'
     target='--target-dir=[specify directory for all generated artifacts]:directory:_directories'
-    manifest='--manifest-path=[specify path to manifest]:path:_directories'
+    manifest='(-m --manifest-path)=[specify path to manifest]:path:_directories'
     registry='--registry=[specify registry to use]:registry'
 
     case $state in

src/etc/cargo.bashcomp.sh

@@ -48,7 +48,7 @@ _cargo()
 	local opt_pkg_spec='-p --package --all --exclude --workspace'
 	local opt_pkg='-p --package'
 	local opt_feat='-F --features --all-features --no-default-features'
-	local opt_mani='--manifest-path'
+	local opt_mani='-m --manifest-path'
 	local opt_jobs='-j --jobs'
 	local opt_parallel="$opt_jobs --keep-going"
 	local opt_force='-f --force'