Fix the issue that it may panic when user try to list expired component

[lucklove]

What problem does this PR solve?

When a user try to list a component that's expired with the command tiup list <component>, it may panic if the component manifest has already been downloaded before.

tiup list doc
doc
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x68 pc=0x4977c1a]

goroutine 1 [running]:
github.com/pingcap/tiup/cmd.showComponentVersions(0xc00011d470, 0x7ffeefbff702, 0x3, 0x0, 0x0, 0x0, 0x44856c0)
        /Users/joshua/Desktop/Code/tiup/cmd/list.go:202 +0x2ba
github.com/pingcap/tiup/cmd.newListCmd.func1(0xc000232500, 0xc00011c1f0, 0x1, 0x1, 0x0, 0x0)
        /Users/joshua/Desktop/Code/tiup/cmd/list.go:63 +0xb7
github.com/spf13/cobra.(*Command).execute(0xc000232500, 0xc00011c1c0, 0x1, 0x1, 0xc000232500, 0xc00011c1c0)
        /Users/joshua/go/pkg/mod/github.com/spf13/cobra@v1.1.3/command.go:852 +0x472
github.com/spf13/cobra.(*Command).ExecuteC(0xc000232000, 0xbd7a4b, 0x526ed00, 0xc000541f78)
        /Users/joshua/go/pkg/mod/github.com/spf13/cobra@v1.1.3/command.go:960 +0x375
github.com/spf13/cobra.(*Command).Execute(...)
        /Users/joshua/go/pkg/mod/github.com/spf13/cobra@v1.1.3/command.go:897
github.com/pingcap/tiup/cmd.Execute()
        /Users/joshua/Desktop/Code/tiup/cmd/root.go:198 +0x67
main.main()
        /Users/joshua/Desktop/Code/tiup/main.go:21 +0x25

What is changed and how it works?

Treat the expired component as expired

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release notes:

NONE

[codecov-commenter]

Codecov Report

Merging #1391 (e1edd1e) into master (e895fa7) will decrease coverage by 9.76%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master    #1391      +/-   ##
==========================================
- Coverage   25.27%   15.50%   -9.77%     
==========================================
  Files         266      149     -117     
  Lines       20586    12837    -7749     
==========================================
- Hits         5204     1991    -3213     
+ Misses      14582    10338    -4244     
+ Partials      800      508     -292     

Flag	Coverage Δ
integrate	15.50% <50.00%> (-0.02%)	⬇️
tiup	15.50% <50.00%> (-0.02%)	⬇️
unittest	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/repository/v1_repository.go	45.30% <50.00%> (-13.45%)	⬇️
embed/embed.go	0.00% <0.00%> (-100.00%)	⬇️
pkg/utils/regexp.go	0.00% <0.00%> (-100.00%)	⬇️
pkg/cluster/spec/validate.go	0.00% <0.00%> (-89.97%)	⬇️
pkg/cluster/executor/checkpoint.go	0.00% <0.00%> (-82.61%)	⬇️
pkg/utils/semver.go	2.60% <0.00%> (-82.61%)	⬇️
pkg/utils/diff.go	0.00% <0.00%> (-82.50%)	⬇️
pkg/meta/err.go	0.00% <0.00%> (-81.25%)	⬇️
pkg/cluster/api/error.go	0.00% <0.00%> (-80.00%)	⬇️
pkg/cluster/spec/parse_topology.go	0.00% <0.00%> (-78.47%)	⬇️
... and 162 more

---

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[AstroProfundis]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 4417be5