Update dependency ex_doc to ~> 0.30

[renovate]

This PR contains the following updates:

Package	Update	Change
ex_doc	minor	~> 0.29 -> ~> 0.30

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[github-actions]

Pull Request Test Coverage Report for Build 975769daf7f3d36d54d0b7f815d3afd9959da4d3-PR-138

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build b3fb4fb942397c425a20eb8ca158e0726e9590f9:	0.0%
Covered Lines:	105
Relevant Lines:	105

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 975769daf7f3d36d54d0b7f815d3afd9959da4d3-PR-138

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build b3fb4fb942397c425a20eb8ca158e0726e9590f9:	0.0%
Covered Lines:	105
Relevant Lines:	105

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 975769daf7f3d36d54d0b7f815d3afd9959da4d3-PR-138

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build b3fb4fb942397c425a20eb8ca158e0726e9590f9:	0.0%
Covered Lines:	105
Relevant Lines:	105

---

💛 - Coveralls