Update CLI snapshot test baselines for tool-specific package examples

Co-authored-by: baronfel <573979+baronfel@users.noreply.github.com>

Author: Copilot

test/dotnet.Tests/CompletionTests/snapshots/zsh/DotnetCliSnapshotTests.VerifyCompletions.verified.zsh

@@ -1102,7 +1102,7 @@ _testhost() {
                                             '--allow-roll-forward[Allow a .NET tool to roll forward to newer versions of the .NET runtime if the runtime it targets isn'\''t installed.]' \
                                             '--help[Show command line help.]' \
                                             '-h[Show command line help.]' \
-                                            ':packageId -- Package reference in the form of a package identifier like '\''Newtonsoft.Json'\'' or package identifier and version separated by '\''@'\'' like '\''Newtonsoft.Json@13.0.3'\''.:->dotnet_dynamic_complete' \
+                                            ':packageId -- Package reference in the form of a package identifier like '\''dotnetsay'\'' or package identifier and version separated by '\''@'\'' like '\''dotnetsay@2.1.7'\''.:->dotnet_dynamic_complete' \
                                             && ret=0
                                             case $state in
                                                 (dotnet_dynamic_complete)
@@ -1150,7 +1150,7 @@ _testhost() {
                                             '--all[Update all tools.]' \
                                             '--help[Show command line help.]' \
                                             '-h[Show command line help.]' \
-                                            '::packageId -- Package reference in the form of a package identifier like '\''Newtonsoft.Json'\'' or package identifier and version separated by '\''@'\'' like '\''Newtonsoft.Json@13.0.3'\''.:->dotnet_dynamic_complete' \
+                                            '::packageId -- Package reference in the form of a package identifier like '\''dotnetsay'\'' or package identifier and version separated by '\''@'\'' like '\''dotnetsay@2.1.7'\''.:->dotnet_dynamic_complete' \
                                             && ret=0
                                             case $state in
                                                 (dotnet_dynamic_complete)
@@ -1228,7 +1228,7 @@ _testhost() {
                                             '-v=[Set the MSBuild verbosity level. Allowed values are q\[uiet\], m\[inimal\], n\[ormal\], d\[etailed\], and diag\[nostic\].]:LEVEL:((d\:"d" detailed\:"detailed" diag\:"diag" diagnostic\:"diagnostic" m\:"m" minimal\:"minimal" n\:"n" normal\:"normal" q\:"q" quiet\:"quiet" ))' \
                                             '--help[Show command line help.]' \
                                             '-h[Show command line help.]' \
-                                            ':packageId -- Package reference in the form of a package identifier like '\''Newtonsoft.Json'\'' or package identifier and version separated by '\''@'\'' like '\''Newtonsoft.Json@13.0.3'\''.:->dotnet_dynamic_complete' \
+                                            ':packageId -- Package reference in the form of a package identifier like '\''dotnetsay'\'' or package identifier and version separated by '\''@'\'' like '\''dotnetsay@2.1.7'\''.:->dotnet_dynamic_complete' \
                                             '*::commandArguments -- Arguments forwarded to the tool: ' \
                                             && ret=0
                                             case $state in