chore(deps): update dependency importlib-metadata to v6.8.0 (#1143)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [importlib-metadata](https://togithub.com/python/importlib_metadata) |
`==6.5.0` -> `==6.8.0` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/importlib-metadata/6.8.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/importlib-metadata/6.8.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/importlib-metadata/6.5.0/6.8.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/importlib-metadata/6.5.0/6.8.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>python/importlib_metadata (importlib-metadata)</summary>

###
[`v6.8.0`](https://togithub.com/python/importlib_metadata/compare/v6.7.0...v6.8.0)

[Compare
Source](https://togithub.com/python/importlib_metadata/compare/v6.7.0...v6.8.0)

###
[`v6.7.0`](https://togithub.com/python/importlib_metadata/compare/v6.6.0...v6.7.0)

[Compare
Source](https://togithub.com/python/importlib_metadata/compare/v6.6.0...v6.7.0)

###
[`v6.6.0`](https://togithub.com/python/importlib_metadata/compare/v6.5.1...v6.6.0)

[Compare
Source](https://togithub.com/python/importlib_metadata/compare/v6.5.1...v6.6.0)

###
[`v6.5.1`](https://togithub.com/python/importlib_metadata/compare/v6.5.0...v6.5.1)

[Compare
Source](https://togithub.com/python/importlib_metadata/compare/v6.5.0...v6.5.1)

</details>

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requirements-dev.txt

@@ -20,7 +20,7 @@ filelock==3.12.0
 flake8==6.0.0
 humanize==4.6.0
 idna==3.4
-importlib-metadata==6.5.0
+importlib-metadata==6.8.0
 iniconfig==2.0.0
 jaraco.classes==3.2.3
 jeepney==0.8.0

requirements.txt

@@ -10,7 +10,7 @@ cryptography==41.0.2
 Deprecated==1.2.13
 humanize==4.6.0
 idna==3.4
-importlib-metadata==6.5.0
+importlib-metadata==6.8.0
 jaraco.classes==3.2.3
 jeepney==0.8.0
 Jinja2==3.1.2