Not affects perfomance.

200 runs '`terraform_tfsec` (master):'

| time command   | max    | min    | mean     | median |
| -------------- | ------ | ------ | -------- | ------ |
| users seconds  | 3.96 | 1.95 | 2.4316 | 2.38 |
| system seconds | 1.69 | 0.67 | 1.08535 | 1.03 |
| CPU %          | 105 | 2 | 62.11 | 75 |
| Total time     | 142.06 | 3.36 | 9.272 | 5.335 |

<details><summary>Run details</summary>

* Test Start: Fri Oct  1 16:17:58 UTC 2021
* Test End: Fri Oct  1 16:48:55 UTC 2021

| Variable name                | Value |
| ---------------------------- | --- |
| `TEST_NUM`                   | <code>200</code> |
| `TEST_COMMAND`               | <code>pre-commit try-repo -a /mnt/c/Users/vm/code/open-source/pre-commit-terraform terraform_tfsec</code> |
| `TEST_DIR`                   | <code>/mnt/c/Users/vm/code/Star/Oslo/infrastructure</code> |
| `TEST_DESCRIPTION`           | <code>200 runs '`terraform_tfsec` (master):'</code> |
| `RAW_TEST_RESULTS_FILE_NAME` | <code>terraform_tfsec_196</code> |

Memory info (`head -n 6 /proc/meminfo`):

```bash
MemTotal:       12765352 kB
MemFree:         7222588 kB
MemAvailable:    9813008 kB
Buffers:          472812 kB
Cached:          2179164 kB
SwapCached:            0 kB
```

CPU info:

```bash
Real procs: 6
Virtual (hyper-threading) procs: 12

processor	: 11
vendor_id	: GenuineIntel
cpu family	: 6
model		: 165
model name	: Intel(R) Core(TM) i7-10850H CPU @ 2.70GHz
stepping	: 2
microcode	: 0xffffffff
cpu MHz		: 2712.009
cache size	: 12288 KB
physical id	: 0
siblings	: 12
core id		: 5
cpu cores	: 6
apicid		: 11
initial apicid	: 11
fpu		: yes
fpu_exception	: yes
cpuid level	: 21
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology cpuid pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_single ssbd ibrs ibpb stibp ibrs_enhanced fsgsbase bmi1 avx2 smep bmi2 erms invpcid rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 xsaves flush_l1d arch_capabilities
bugs		: spectre_v1 spectre_v2 spec_store_bypass swapgs itlb_multihit
bogomips	: 5424.01
clflush size	: 64
cache_alignment	: 64
address sizes	: 39 bits physical, 48 bits virtual
power management:
```

</details>

200 runs '`terraform_tfsec` (master) with `require_serial: true`:'

| time command   | max    | min    | mean     | median |
| -------------- | ------ | ------ | -------- | ------ |
| users seconds  | 1.33 | 0.87 | 1.0723 | 1.07 |
| system seconds | 0.86 | 0.32 | 0.6099 | 0.605 |
| CPU %          | 36 | 28 | 33.77 | 34 |
| Total time     | 6.33 | 4.39 | 4.9339 | 4.865 |

<details><summary>Run details</summary>

* Test Start: Fri Oct  1 16:49:29 UTC 2021
* Test End: Fri Oct  1 17:05:58 UTC 2021

| Variable name                | Value |
| ---------------------------- | --- |
| `TEST_NUM`                   | <code>200</code> |
| `TEST_COMMAND`               | <code>pre-commit try-repo -a /mnt/c/Users/vm/code/open-source/pre-commit-terraform terraform_tfsec</code> |
| `TEST_DIR`                   | <code>/mnt/c/Users/vm/code/Star/Oslo/infrastructure</code> |
| `TEST_DESCRIPTION`           | <code>200 runs '`terraform_tfsec` (master):'</code> |
| `RAW_TEST_RESULTS_FILE_NAME` | <code>terraform_tfsec_196_with_serial</code> |

Memory info (`head -n 6 /proc/meminfo`):

```bash
MemTotal:       12765352 kB
MemFree:         7225740 kB
MemAvailable:    9826636 kB
Buffers:          482272 kB
Cached:          2179152 kB
SwapCached:            0 kB
```

CPU info:

```bash
Real procs: 6
Virtual (hyper-threading) procs: 12

processor	: 11
vendor_id	: GenuineIntel
cpu family	: 6
model		: 165
model name	: Intel(R) Core(TM) i7-10850H CPU @ 2.70GHz
stepping	: 2
microcode	: 0xffffffff
cpu MHz		: 2712.009
cache size	: 12288 KB
physical id	: 0
siblings	: 12
core id		: 5
cpu cores	: 6
apicid		: 11
initial apicid	: 11
fpu		: yes
fpu_exception	: yes
cpuid level	: 21
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology cpuid pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_single ssbd ibrs ibpb stibp ibrs_enhanced fsgsbase bmi1 avx2 smep bmi2 erms invpcid rdseed adx smap clflushopt xsaveopt xsavec xgetbv1 xsaves flush_l1d arch_capabilities
bugs		: spectre_v1 spectre_v2 spec_store_bypass swapgs itlb_multihit
bogomips	: 5424.01
clflush size	: 64
cache_alignment	: 64
address sizes	: 39 bits physical, 48 bits virtual
power management:
```

</details>

Co-authored-by: Narek Kazarian <nkazarian@spokeo.com>