feat: enable concurrent manipulation of TF resources since they are stored in different directories

[SparkYuan]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #1195

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Additional documentation e.g., design docs, usage docs, etc.:

[coveralls]

Pull Request Test Coverage Report for Build 9709787430

Details

• 2 of 3 (66.67%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.06%) to 54.083%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/engine/runtime/terraform/terraform_runtime.go	0	1	0.0%

Totals
Change from base Build 9709696024:	0.06%
Covered Lines:	9120
Relevant Lines:	16863

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9761159087

Details

• 22 of 40 (55.0%) changed or added relevant lines in 2 files are covered.
• 4 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.02%) to 54.487%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/engine/runtime/terraform/tfops/workspace.go	7	13	53.85%
pkg/engine/runtime/terraform/terraform_runtime.go	15	27	55.56%

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/operation/watch.go	1	82.76%
pkg/engine/operation/parser/parser.go	3	79.27%

Totals
Change from base Build 9710950045:	-0.02%
Covered Lines:	9339
Relevant Lines:	17140

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9761198738

Details

• 22 of 40 (55.0%) changed or added relevant lines in 2 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.01%) to 54.492%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/engine/runtime/terraform/tfops/workspace.go	7	13	53.85%
pkg/engine/runtime/terraform/terraform_runtime.go	15	27	55.56%

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/operation/parser/parser.go	3	79.27%

Totals
Change from base Build 9710950045:	-0.01%
Covered Lines:	9340
Relevant Lines:	17140

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9761296428

Details

• 22 of 40 (55.0%) changed or added relevant lines in 2 files are covered.
• 11 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.06%) to 54.446%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/engine/runtime/terraform/tfops/workspace.go	7	13	53.85%
pkg/engine/runtime/terraform/terraform_runtime.go	15	27	55.56%

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/operation/watch.go	1	82.76%
pkg/engine/operation/parser/spec_parser.go	4	56.1%
pkg/engine/operation/parser/parser.go	6	75.61%

Totals
Change from base Build 9710950045:	-0.06%
Covered Lines:	9332
Relevant Lines:	17140

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9771565863

Details

• 32 of 49 (65.31%) changed or added relevant lines in 2 files are covered.
• 4 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.01%) to 54.516%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/engine/runtime/terraform/tfops/workspace.go	17	22	77.27%
pkg/engine/runtime/terraform/terraform_runtime.go	15	27	55.56%

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/runtime/terraform/tfops/workspace.go	1	59.53%
pkg/engine/operation/parser/parser.go	3	79.27%

Totals
Change from base Build 9710950045:	0.01%
Covered Lines:	9349
Relevant Lines:	17149

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9774546038

Details

• 32 of 50 (64.0%) changed or added relevant lines in 2 files are covered.
• 5 unchanged lines in 3 files lost coverage.
• Overall coverage remained the same at 54.504%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/engine/runtime/terraform/tfops/workspace.go	17	22	77.27%
pkg/engine/runtime/terraform/terraform_runtime.go	15	28	53.57%

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/operation/watch.go	1	82.76%
pkg/engine/runtime/terraform/tfops/workspace.go	1	59.53%
pkg/engine/operation/parser/parser.go	3	79.27%

Totals
Change from base Build 9710950045:	0.0%
Covered Lines:	9348
Relevant Lines:	17151

---

💛 - Coveralls